Chapter 11 Diseases of the digestive system (K00-K95) Excludes2: certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) This chapter contains the following blocks: K00-K14 Diseases of oral cavity and salivary glands K20-K31 Diseases of esophagus, stomach and duodenum K35-K38 Diseases of appendix K40-K46 Hernia K50-K52 Noninfective enteritis and colitis K55-K64 Other diseases of intestines K65-K68 Diseases of peritoneum and retroperitoneum K70-K77 Diseases of liver K80-K87 Disorders of gallbladder, biliary tract and pancreas K90-K95 Other diseases of the digestive system Diseases of oral cavity and salivary glands (K00-K14) K00 Disorders of tooth development and eruption Excludes2: embedded and impacted teeth (K01.-) K00.0 Anodontia Hypodontia Oligodontia Excludes1: acquired absence of teeth (K08.1-) K00.1 Supernumerary teeth Distomolar Fourth molar Mesiodens Paramolar Supplementary teeth Excludes2: supernumerary roots (K00.2) K00.2 Abnormalities of size and form of teeth Concrescence of teeth Fusion of teeth Gemination of teeth Dens evaginatus Dens in dente Dens invaginatus Enamel pearls Macrodontia Microdontia Peg-shaped [conical] teeth Supernumerary roots Taurodontism Tuberculum paramolare Page 1
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Chapter 11 Diseases of the digestive system (K00-K95) Excludes2: certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O9A)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E88)injury, poisoning and certain other consequences of external causes (S00-T88)neoplasms (C00-D49)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
This chapter contains the following blocks:K00-K14 Diseases of oral cavity and salivary glandsK20-K31 Diseases of esophagus, stomach and duodenumK35-K38 Diseases of appendixK40-K46 HerniaK50-K52 Noninfective enteritis and colitisK55-K64 Other diseases of intestinesK65-K68 Diseases of peritoneum and retroperitoneumK70-K77 Diseases of liverK80-K87 Disorders of gallbladder, biliary tract and pancreasK90-K95 Other diseases of the digestive system Diseases of oral cavity and salivary glands (K00-K14) K00 Disorders of tooth development and eruption
Concrescence of teethFusion of teethGemination of teethDens evaginatusDens in denteDens invaginatusEnamel pearlsMacrodontiaMicrodontiaPeg-shaped [conical] teethSupernumerary rootsTaurodontismTuberculum paramolare
Page 1
Excludes1: abnormalities of teeth due to congenital syphilis (A50.5)tuberculum Carabelli, which is regarded as a normal variation and should not be coded
K00.3 Mottled teeth
Dental fluorosisMottling of enamelNonfluoride enamel opacities
Excludes2: deposits [accretions] on teeth (K03.6)
K00.4 Disturbances in tooth formation
Aplasia and hypoplasia of cementumDilaceration of toothEnamel hypoplasia (neonatal) (postnatal) (prenatal)Regional odontodysplasiaTurner's tooth
Excludes1: Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)
Excludes2: mottled teeth (K00.3)
K00.5 Hereditary disturbances in tooth structure, not elsewhere classified
K02.5 Dental caries on pit and fissure surfaceDental caries on chewing surface of tooth
K02.51 Dental caries on pit and fissure surface limited to enamel
White spot lesions [initial caries] on pit and fissure surface of tooth
K02.52 Dental caries on pit and fissure surface penetrating into dentinPrimary dental caries, cervical origin
K02.53 Dental caries on pit and fissure surface penetrating into pulp
K02.6 Dental caries on smooth surface
K02.61 Dental caries on smooth surface limited to enamel
White spot lesions [initial caries] on smooth surface of tooth
K02.62 Dental caries on smooth surface penetrating into dentin
K02.63 Dental caries on smooth surface penetrating into pulp
K02.7 Dental root caries
K02.9 Dental caries, unspecified K03 Other diseases of hard tissues of teeth
Excludes2: bruxism (F45.8)dental caries (K02.-)teeth-grinding NOS (F45.8)
K03.0 Excessive attrition of teeth
Approximal wear of teethOcclusal wear of teeth
K03.1 Abrasion of teeth
Dentifrice abrasion of teethHabitual abrasion of teethOccupational abrasion of teethRitual abrasion of teethTraditional abrasion of teethWedge defect NOS
K03.2 Erosion of teeth
Erosion of teeth due to dietErosion of teeth due to drugs and medicamentsErosion of teeth due to persistent vomitingErosion of teeth NOSIdiopathic erosion of teethOccupational erosion of teeth
K03.3 Pathological resorption of teeth
Internal granuloma of pulpResorption of teeth (external)
K03.4 Hypercementosis
Cementation hyperplasiaPage 3
K03.5 Ankylosis of teeth
K03.6 Deposits [accretions] on teethBetel deposits [accretions] on teethBlack deposits [accretions] on teethExtrinsic staining of teeth NOSGreen deposits [accretions] on teethMateria alba deposits [accretions] on teethOrange deposits [accretions] on teethStaining of teeth NOSSubgingival dental calculusSupragingival dental calculusTobacco deposits [accretions] on teeth
K03.7 Posteruptive color changes of dental hard tissues
Excludes2: deposits [accretions] on teeth (K03.6)
K03.8 Other specified diseases of hard tissues of teeth
K03.81 Cracked tooth
Excludes1: asymptomatic craze lines in enamel - omit code
broken or fractured tooth due to trauma (S02.5)
K03.89 Other specified diseases of hard tissues of teeth
K03.9 Disease of hard tissues of teeth, unspecified K04 Diseases of pulp and periapical tissues
K04.9 Other and unspecified diseases of pulp and periapical tissues
K04.90 Unspecified diseases of pulp and periapical tissues
K04.99 Other diseases of pulp and periapical tissues
K05 Gingivitis and periodontal diseases
Use additional code to identify:alcohol abuse and dependence (F10.-)exposure to environmental tobacco smoke (Z77.22)exposure to tobacco smoke in the perinatal period (P96.81)history of tobacco dependence (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)
K06.2 Gingival and edentulous alveolar ridge lesions associated with trauma
Irritative hyperplasia of edentulous ridge [denture hyperplasia]
Use additional code (Chapter 20) to identify external cause or denture status (Z97.2)
K06.3 Horizontal alveolar bone loss
K06.8 Other specified disorders of gingiva and edentulous alveolar ridgeFibrous epulisFlabby alveolar ridgeGiant cell epulisPeripheral giant cell granuloma of gingivaPyogenic granuloma of gingivaVertical ridge deficiency
Excludes2: gingival cyst (K09.0)
K06.9 Disorder of gingiva and edentulous alveolar ridge, unspecified
K08 Other disorders of teeth and supporting structures
Excludes2: dentofacial anomalies [including malocclusion] (M26.-)disorders of jaw (M27.-)
K08.0 Exfoliation of teeth due to systemic causes
Code also underlying systemic condition
K08.1 Complete loss of teeth
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Acquired loss of teeth, complete
Excludes1: congenital absence of teeth (K00.0)exfoliation of teeth due to systemic causes (K08.0)partial loss of teeth (K08.4-)
K08.10 Complete loss of teeth, unspecified cause
K08.101 Complete loss of teeth, unspecified cause, class I
K08.102 Complete loss of teeth, unspecified cause, class II
K08.103 Complete loss of teeth, unspecified cause, class III
K08.104 Complete loss of teeth, unspecified cause, class IV
K08.109 Complete loss of teeth, unspecified cause, unspecified class
Edentulism NOS
K08.11 Complete loss of teeth due to trauma
K08.111 Complete loss of teeth due to trauma, class I
K08.112 Complete loss of teeth due to trauma, class II
K08.113 Complete loss of teeth due to trauma, class III
K08.114 Complete loss of teeth due to trauma, class IV
K08.119 Complete loss of teeth due to trauma, unspecified class
K08.12 Complete loss of teeth due to periodontal diseases
K08.121 Complete loss of teeth due to periodontal diseases, class I
K08.122 Complete loss of teeth due to periodontal diseases, class II
K08.123 Complete loss of teeth due to periodontal diseases, class III
K08.124 Complete loss of teeth due to periodontal diseases, class IV
K08.129 Complete loss of teeth due to periodontal diseases, unspecified class
K08.13 Complete loss of teeth due to caries
K08.131 Complete loss of teeth due to caries, class I
K08.132 Complete loss of teeth due to caries, class II
K08.133 Complete loss of teeth due to caries, class III
K08.134 Complete loss of teeth due to caries, class IV
K08.139 Complete loss of teeth due to caries, unspecified class
K08.19 Complete loss of teeth due to other specified cause
K08.191 Complete loss of teeth due to other specified cause, class I
K08.192 Complete loss of teeth due to other specified cause, class II
K08.193 Complete loss of teeth due to other specified cause, class III
K08.194 Complete loss of teeth due to other specified cause, class IV
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K08.199 Complete loss of teeth due to other specified cause, unspecified class
K08.2 Atrophy of edentulous alveolar ridge
K08.20 Unspecified atrophy of edentulous alveolar ridgeAtrophy of the mandible NOSAtrophy of the maxilla NOS
K08.21 Minimal atrophy of the mandible
Minimal atrophy of the edentulous mandible
K08.22 Moderate atrophy of the mandibleModerate atrophy of the edentulous mandible
K08.23 Severe atrophy of the mandible
Severe atrophy of the edentulous mandible
K08.24 Minimal atrophy of maxillaMinimal atrophy of the edentulous maxilla
K08.25 Moderate atrophy of the maxilla
Moderate atrophy of the edentulous maxilla
K08.26 Severe atrophy of the maxillaSevere atrophy of the edentulous maxilla
K08.3 Retained dental root
K08.4 Partial loss of teeth
Acquired loss of teeth, partial
Excludes1: complete loss of teeth (K08.1-)congenital absence of teeth (K00.0)
Excludes2: exfoliation of teeth due to systemic causes (K08.0)
K08.40 Partial loss of teeth, unspecified cause
K08.401 Partial loss of teeth, unspecified cause, class I
K08.402 Partial loss of teeth, unspecified cause, class II
K08.403 Partial loss of teeth, unspecified cause, class III
K08.404 Partial loss of teeth, unspecified cause, class IV
K08.409 Partial loss of teeth, unspecified cause, unspecified class
Tooth extraction status NOS
K08.41 Partial loss of teeth due to trauma
K08.411 Partial loss of teeth due to trauma, class I
K08.412 Partial loss of teeth due to trauma, class II
K08.413 Partial loss of teeth due to trauma, class III
K08.414 Partial loss of teeth due to trauma, class IV
K08.419 Partial loss of teeth due to trauma, unspecified class
K08.42 Partial loss of teeth due to periodontal diseases
K08.421 Partial loss of teeth due to periodontal diseases, class IPage 9
K08.422 Partial loss of teeth due to periodontal diseases, class II
K08.423 Partial loss of teeth due to periodontal diseases, class III
K08.424 Partial loss of teeth due to periodontal diseases, class IV
K08.429 Partial loss of teeth due to periodontal diseases, unspecified class
K08.43 Partial loss of teeth due to caries
K08.431 Partial loss of teeth due to caries, class I
K08.432 Partial loss of teeth due to caries, class II
K08.433 Partial loss of teeth due to caries, class III
K08.434 Partial loss of teeth due to caries, class IV
K08.439 Partial loss of teeth due to caries, unspecified class
K08.49 Partial loss of teeth due to other specified cause
K08.491 Partial loss of teeth due to other specified cause, class I
K08.492 Partial loss of teeth due to other specified cause, class II
K08.493 Partial loss of teeth due to other specified cause, class III
K08.494 Partial loss of teeth due to other specified cause, class IV
K08.499 Partial loss of teeth due to other specified cause, unspecified class
K08.5 Unsatisfactory restoration of toothDefective bridge, crown, fillingDefective dental restoration
K08.54 Contour of existing restoration of tooth biologically incompatible with oral health
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Dental restoration failure of periodontal anatomical integrityUnacceptable contours of existing restoration of toothUnacceptable morphology of existing restoration of tooth
K08.55 Allergy to existing dental restorative material
Use additional code to identify the specific type of allergy
K08.56 Poor aesthetic of existing restoration of tooth
Dental restoration aesthetically inadequate or displeasing
K08.59 Other unsatisfactory restoration of toothOther defective dental restoration
K08.8 Other specified disorders of teeth and supporting structures
K08.81 Primary occlusal trauma
K08.82 Secondary occlusal trauma
K08.89 Other specified disorders of teeth and supporting structures
Enlargement of alveolar ridge NOSInsufficient anatomic crown heightInsufficient clinical crown lengthIrregular alveolar processToothache NOS
K08.9 Disorder of teeth and supporting structures, unspecified
K09 Cysts of oral region, not elsewhere classified
Includes: lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
Excludes2: cysts of jaw (M27.0-, M27.4-)radicular cyst (K04.8)
K09.8 Other cysts of oral region, not elsewhere classified
Dermoid cystEpidermoid cystLymphoepithelial cystEpstein's pearl
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K09.9 Cyst of oral region, unspecified K11 Diseases of salivary glands
Use additional code to identify:alcohol abuse and dependence (F10.-)exposure to environmental tobacco smoke (Z77.22)exposure to tobacco smoke in the perinatal period (P96.81)history of tobacco dependence (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)
Excludes1: congenital fistula of salivary gland (Q38.4)
K11.5 Sialolithiasis
Calculus of salivary gland or ductStone of salivary gland or duct
K11.6 Mucocele of salivary gland
Mucous extravasation cyst of salivary glandMucous retention cyst of salivary glandRanula
K11.7 Disturbances of salivary secretion
HypoptyalismPtyalismXerostomia
Excludes2: dry mouth NOS (R68.2)
K11.8 Other diseases of salivary glands
Benign lymphoepithelial lesion of salivary glandMikulicz' diseaseNecrotizing sialometaplasiaSialectasiaStenosis of salivary ductStricture of salivary duct
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Excludes1: sicca syndrome [Sjögren] (M35.0-)
K11.9 Disease of salivary gland, unspecifiedSialoadenopathy NOS
K12 Stomatitis and related lesions
Use additional code to identify:alcohol abuse and dependence (F10.-)exposure to environmental tobacco smoke (Z77.22)exposure to tobacco smoke in the perinatal period (P96.81)history of tobacco dependence (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)
K12.2 Cellulitis and abscess of mouthCellulitis of mouth (floor)Submandibular abscess
Excludes2: abscess of salivary gland (K11.3)
abscess of tongue (K14.0)periapical abscess (K04.6-K04.7)periodontal abscess (K05.21)peritonsillar abscess (J36)
K12.3 Oral mucositis (ulcerative)
Mucositis (oral) (oropharyneal)
Excludes2: gastrointestinal mucositis (ulcerative) (K92.81)mucositis (ulcerative) of vagina and vulva (N76.81)nasal mucositis (ulcerative) (J34.81)
K12.30 Oral mucositis (ulcerative), unspecified
K12.31 Oral mucositis (ulcerative) due to antineoplastic therapy
Use additional code for adverse effect, if applicable, to identify antineoplastic and immunosuppressive
drugs (T45.1X5)
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Use additional code for other antineoplastic therapy, such as:radiological procedure and radiotherapy (Y84.2)
K12.32 Oral mucositis (ulcerative) due to other drugs
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth
character 5)
K12.33 Oral mucositis (ulcerative) due to radiation
Use additional external cause code (W88-W90, X39.0-) to identify cause
K12.39 Other oral mucositis (ulcerative)Viral oral mucositis (ulcerative)
K13 Other diseases of lip and oral mucosa
Includes: epithelial disturbances of tongue
Use additional code to identify:alcohol abuse and dependence (F10.-)exposure to environmental tobacco smoke (Z77.22)exposure to tobacco smoke in the perinatal period (P96.81)history of tobacco dependence (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)
Excludes2: certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
cysts of oral region (K09.-)diseases of tongue (K14.-)stomatitis and related lesions (K12.-)
K13.0 Diseases of lips
Abscess of lipsAngular cheilitisCellulitis of lipsCheilitis NOSCheilodyniaCheilosisExfoliative cheilitisFistula of lipsGlandular cheilitisHypertrophy of lipsPerlèche NEC
Excludes1: ariboflavinosis (E53.0)
cheilitis due to radiation-related disorders (L55-L59)congenital fistula of lips (Q38.0)congenital hypertrophy of lips (Q18.6)Perlèche due to candidiasis (B37.83)Perlèche due to riboflavin deficiency (E53.0)
K13.1 Cheek and lip biting
K13.2 Leukoplakia and other disturbances of oral epithelium, including tongue
Excludes1: carcinoma in situ of oral epithelium (D00.0-)
hairy leukoplakia (K13.3)
K13.21 Leukoplakia of oral mucosa, including tongueLeukokeratosis of oral mucosa
K13.29 Other disturbances of oral epithelium, including tongueErythroplakia of mouth or tongueFocal epithelial hyperplasia of mouth or tongueLeukoedema of mouth or tongueOther oral epithelium disturbances
K13.3 Hairy leukoplakia
K13.4 Granuloma and granuloma-like lesions of oral mucosa
Excludes2: irritative hyperplasia of edentulous ridge [denture hyperplasia] (K06.2)
K13.7 Other and unspecified lesions of oral mucosa
K13.70 Unspecified lesions of oral mucosa
K13.79 Other lesions of oral mucosaFocal oral mucinosis
K14 Diseases of tongue
Use additional code to identify:alcohol abuse and dependence (F10.-)exposure to environmental tobacco smoke (Z77.22)history of tobacco dependence (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)
Excludes2: erythroplakia (K13.29)
focal epithelial hyperplasia (K13.29)leukedema of tongue (K13.29)leukoplakia of tongue (K13.21)hairy leukoplakia (K13.3)macroglossia (congenital) (Q38.2)submucous fibrosis of tongue (K13.5)
Atrophy of tongueCrenated tongueEnlargement of tongueGlossoceleGlossoptosisHypertrophy of tongue
K14.9 Disease of tongue, unspecified
Glossopathy NOS Diseases of esophagus, stomach and duodenum (K20-K31) Excludes2: hiatus hernia (K44.-) K20 Esophagitis
Use additional code to identify:alcohol abuse and dependence (F10.-)
Excludes1: erosion of esophagus (K22.1-)
esophagitis with gastro-esophageal reflux disease (K21.0)reflux esophagitis (K21.0)ulcerative esophagitis (K22.1-)
Excludes2: eosinophilic gastritis or gastroenteritis (K52.81)
K20.0 Eosinophilic esophagitis
K20.8 Other esophagitis
Abscess of esophagus
K20.9 Esophagitis, unspecifiedEsophagitis NOS
Page 16
K21 Gastro-esophageal reflux disease
Excludes1: newborn esophageal reflux (P78.83)
K21.0 Gastro-esophageal reflux disease with esophagitisReflux esophagitis
K21.9 Gastro-esophageal reflux disease without esophagitis
Esophageal reflux NOS K22 Other diseases of esophagus
Excludes2: esophageal varices (I85.-)
K22.0 Achalasia of cardiaAchalasia NOSCardiospasm
Excludes1: congenital cardiospasm (Q39.5)
K22.1 Ulcer of esophagus
Barrett's ulcerErosion of esophagusFungal ulcer of esophagusPeptic ulcer of esophagusUlcer of esophagus due to ingestion of chemicalsUlcer of esophagus due to ingestion of drugs and medicamentsUlcerative esophagitis
Code first poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4 or 6)
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
K23 Disorders of esophagus in diseases classified elsewhere
Code first underlying disease, such as:congenital syphilis (A50.5)
Excludes1: late syphilis (A52.79)
megaesophagus due to Chagas' disease (B57.31)tuberculosis (A18.83)
K25 Gastric ulcer
Includes: erosion (acute) of stomachpylorus ulcer (peptic)stomach ulcer (peptic)
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: acute gastritis (K29.0-)peptic ulcer NOS (K27.-)
K25.0 Acute gastric ulcer with hemorrhage
K25.1 Acute gastric ulcer with perforation
K25.2 Acute gastric ulcer with both hemorrhage and perforation
K25.3 Acute gastric ulcer without hemorrhage or perforation
K25.4 Chronic or unspecified gastric ulcer with hemorrhage
Page 18
K25.5 Chronic or unspecified gastric ulcer with perforation
K25.6 Chronic or unspecified gastric ulcer with both hemorrhage and perforation
K25.7 Chronic gastric ulcer without hemorrhage or perforation
K25.9 Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation K26 Duodenal ulcer
Includes: erosion (acute) of duodenumduodenum ulcer (peptic)postpyloric ulcer (peptic)
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: peptic ulcer NOS (K27.-)
K26.0 Acute duodenal ulcer with hemorrhage
K26.1 Acute duodenal ulcer with perforation
K26.2 Acute duodenal ulcer with both hemorrhage and perforation
K26.3 Acute duodenal ulcer without hemorrhage or perforation
K26.4 Chronic or unspecified duodenal ulcer with hemorrhage
K26.5 Chronic or unspecified duodenal ulcer with perforation
K26.6 Chronic or unspecified duodenal ulcer with both hemorrhage and perforation
K26.7 Chronic duodenal ulcer without hemorrhage or perforation
K26.9 Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation K27 Peptic ulcer, site unspecified
Includes: gastroduodenal ulcer NOSpeptic ulcer NOS
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: peptic ulcer of newborn (P78.82)
K27.0 Acute peptic ulcer, site unspecified, with hemorrhage
K27.1 Acute peptic ulcer, site unspecified, with perforation
K27.2 Acute peptic ulcer, site unspecified, with both hemorrhage and perforation
K27.3 Acute peptic ulcer, site unspecified, without hemorrhage or perforation
K27.4 Chronic or unspecified peptic ulcer, site unspecified, with hemorrhage
K27.5 Chronic or unspecified peptic ulcer, site unspecified, with perforation
K27.6 Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforation
K27.7 Chronic peptic ulcer, site unspecified, without hemorrhage or perforation
K27.9 Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforationPage 19
K28 Gastrojejunal ulcer
Includes: anastomotic ulcer (peptic) or erosiongastrocolic ulcer (peptic) or erosiongastrointestinal ulcer (peptic) or erosiongastrojejunal ulcer (peptic) or erosionjejunal ulcer (peptic) or erosionmarginal ulcer (peptic) or erosionstomal ulcer (peptic) or erosion
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: primary ulcer of small intestine (K63.3)
K28.0 Acute gastrojejunal ulcer with hemorrhage
K28.1 Acute gastrojejunal ulcer with perforation
K28.2 Acute gastrojejunal ulcer with both hemorrhage and perforation
K28.3 Acute gastrojejunal ulcer without hemorrhage or perforation
K28.4 Chronic or unspecified gastrojejunal ulcer with hemorrhage
K28.5 Chronic or unspecified gastrojejunal ulcer with perforation
K28.6 Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation
K28.7 Chronic gastrojejunal ulcer without hemorrhage or perforation
K28.9 Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation K29 Gastritis and duodenitis
Excludes1: eosinophilic gastritis or gastroenteritis (K52.81)Zollinger-Ellison syndrome (E16.4)
K29.0 Acute gastritis
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: erosion (acute) of stomach (K25.-)
K29.00 Acute gastritis without bleeding
K29.01 Acute gastritis with bleeding
K29.2 Alcoholic gastritis
Use additional code to identify:alcohol abuse and dependence (F10.-)
K29.20 Alcoholic gastritis without bleeding
K29.21 Alcoholic gastritis with bleeding
K29.3 Chronic superficial gastritis
K29.30 Chronic superficial gastritis without bleeding
K29.31 Chronic superficial gastritis with bleeding
Page 20
K29.4 Chronic atrophic gastritisGastric atrophy
K29.40 Chronic atrophic gastritis without bleeding
K29.41 Chronic atrophic gastritis with bleeding
K29.5 Unspecified chronic gastritis
Chronic antral gastritisChronic fundal gastritis
K29.50 Unspecified chronic gastritis without bleeding
K29.51 Unspecified chronic gastritis with bleeding
K31.9 Disease of stomach and duodenum, unspecified
Diseases of appendix (K35-K38)
Page 22
K35 Acute appendicitis
K35.2 Acute appendicitis with generalized peritonitisAppendicitis (acute) with generalized (diffuse) peritonitis following rupture or perforation of appendixPerforated appendix NOSRuptured appendix NOS
K35.3 Acute appendicitis with localized peritonitis
Acute appendicitis with or without perforation or rupture with peritonitis NOSAcute appendicitis with or without perforation or rupture with localized peritonitisAcute appendicitis with peritoneal abscess
K35.8 Other and unspecified acute appendicitis
K35.80 Unspecified acute appendicitis
Acute appendicitis NOSAcute appendicitis without (localized) (generalized) peritonitis
K35.89 Other acute appendicitis
K36 Other appendicitis
Chronic appendicitisRecurrent appendicitis
K37 Unspecified appendicitis
Excludes1: -unspecified appendicitis with peritonitis (K35.2-K35.3) K38 Other diseases of appendix
K38.0 Hyperplasia of appendix
K38.1 Appendicular concretionsFecalith of appendixStercolith of appendix
K38.2 Diverticulum of appendix
K38.3 Fistula of appendix
K38.8 Other specified diseases of appendix
Intussusception of appendix
K38.9 Disease of appendix, unspecified Hernia (K40-K46) Note: Hernia with both gangrene and obstruction is classified to hernia with gangrene. Includes: acquired hernia
congenital [except diaphragmatic or hiatus] herniarecurrent hernia
K40.0 Bilateral inguinal hernia, with obstruction, without gangreneInguinal hernia (bilateral) causing obstruction without gangreneIncarcerated inguinal hernia (bilateral) without gangreneIrreducible inguinal hernia (bilateral) without gangreneStrangulated inguinal hernia (bilateral) without gangrene
K40.00 Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
Bilateral inguinal hernia, with obstruction, without gangrene NOS
K40.01 Bilateral inguinal hernia, with obstruction, without gangrene, recurrent
K40.1 Bilateral inguinal hernia, with gangrene
K40.10 Bilateral inguinal hernia, with gangrene, not specified as recurrentBilateral inguinal hernia, with gangrene NOS
K40.11 Bilateral inguinal hernia, with gangrene, recurrent
K40.2 Bilateral inguinal hernia, without obstruction or gangrene
K40.20 Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
Bilateral inguinal hernia NOS
K40.21 Bilateral inguinal hernia, without obstruction or gangrene, recurrent
K40.3 Unilateral inguinal hernia, with obstruction, without gangreneInguinal hernia (unilateral) causing obstruction without gangreneIncarcerated inguinal hernia (unilateral) without gangreneIrreducible inguinal hernia (unilateral) without gangreneStrangulated inguinal hernia (unilateral) without gangrene
K40.30 Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
Inguinal hernia, with obstruction NOSUnilateral inguinal hernia, with obstruction, without gangrene NOS
K40.31 Unilateral inguinal hernia, with obstruction, without gangrene, recurrent
K40.4 Unilateral inguinal hernia, with gangrene
K40.40 Unilateral inguinal hernia, with gangrene, not specified as recurrent
Inguinal hernia with gangrene NOSUnilateral inguinal hernia with gangrene NOS
K40.41 Unilateral inguinal hernia, with gangrene, recurrent
K40.9 Unilateral inguinal hernia, without obstruction or gangrene
K40.90 Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
Inguinal hernia NOSUnilateral inguinal hernia NOS
K40.91 Unilateral inguinal hernia, without obstruction or gangrene, recurrent
K41 Femoral hernia
K41.0 Bilateral femoral hernia, with obstruction, without gangreneFemoral hernia (bilateral) causing obstruction, without gangreneIncarcerated femoral hernia (bilateral), without gangreneIrreducible femoral hernia (bilateral), without gangreneStrangulated femoral hernia (bilateral), without gangrene
K41.00 Bilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent
Bilateral femoral hernia, with obstruction, without gangrene NOSPage 24
K41.01 Bilateral femoral hernia, with obstruction, without gangrene, recurrent
K41.1 Bilateral femoral hernia, with gangrene
K41.10 Bilateral femoral hernia, with gangrene, not specified as recurrentBilateral femoral hernia, with gangrene NOS
K41.11 Bilateral femoral hernia, with gangrene, recurrent
K41.2 Bilateral femoral hernia, without obstruction or gangrene
K41.20 Bilateral femoral hernia, without obstruction or gangrene, not specified as recurrent
Bilateral femoral hernia NOS
K41.21 Bilateral femoral hernia, without obstruction or gangrene, recurrent
K41.3 Unilateral femoral hernia, with obstruction, without gangreneFemoral hernia (unilateral) causing obstruction, without gangreneIncarcerated femoral hernia (unilateral), without gangreneIrreducible femoral hernia (unilateral), without gangreneStrangulated femoral hernia (unilateral), without gangrene
K41.30 Unilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent
Femoral hernia, with obstruction NOSUnilateral femoral hernia, with obstruction NOS
K41.31 Unilateral femoral hernia, with obstruction, without gangrene, recurrent
K41.4 Unilateral femoral hernia, with gangrene
K41.40 Unilateral femoral hernia, with gangrene, not specified as recurrent
Femoral hernia, with gangrene NOSUnilateral femoral hernia, with gangrene NOS
K41.41 Unilateral femoral hernia, with gangrene, recurrent
K41.9 Unilateral femoral hernia, without obstruction or gangrene
K41.90 Unilateral femoral hernia, without obstruction or gangrene, not specified as recurrent
Femoral hernia NOSUnilateral femoral hernia NOS
K41.91 Unilateral femoral hernia, without obstruction or gangrene, recurrent
K42 Umbilical hernia
Includes: paraumbilical hernia
Excludes1: omphalocele (Q79.2)
K42.0 Umbilical hernia with obstruction, without gangreneUmbilical hernia causing obstruction, without gangreneIncarcerated umbilical hernia, without gangreneIrreducible umbilical hernia, without gangreneStrangulated umbilical hernia, without gangrene
K42.1 Umbilical hernia with gangrene
Gangrenous umbilical hernia
K42.9 Umbilical hernia without obstruction or gangreneUmbilical hernia NOS
K43 Ventral hernia
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K43.0 Incisional hernia with obstruction, without gangreneIncisional hernia causing obstruction, without gangreneIncarcerated incisional hernia, without gangreneIrreducible incisional hernia, without gangreneStrangulated incisional hernia, without gangrene
K43.1 Incisional hernia with gangrene
Gangrenous incisional hernia
K43.2 Incisional hernia without obstruction or gangreneIncisional hernia NOS
K43.3 Parastomal hernia with obstruction, without gangrene
Incarcerated parastomal hernia, without gangreneIrreducible parastomal hernia, without gangreneParastomal hernia causing obstruction, without gangreneStrangulated parastomal hernia, without gangrene
K43.4 Parastomal hernia with gangrene
Gangrenous parastomal hernia
K43.5 Parastomal hernia without obstruction or gangreneParastomal hernia NOS
K43.6 Other and unspecified ventral hernia with obstruction, without gangrene
Epigastric hernia causing obstruction, without gangreneHypogastric hernia causing obstruction, without gangreneIncarcerated epigastric hernia without gangreneIncarcerated hypogastric hernia without gangreneIncarcerated midline hernia without gangreneIncarcerated spigelian hernia without gangreneIncarcerated subxiphoid hernia without gangreneIrreducible epigastric hernia without gangreneIrreducible hypogastric hernia without gangreneIrreducible midline hernia without gangreneIrreducible spigelian hernia without gangreneIrreducible subxiphoid hernia without gangreneMidline hernia causing obstruction, without gangreneSpigelian hernia causing obstruction, without gangreneStrangulated epigastric hernia without gangreneStrangulated hypogastric hernia without gangreneStrangulated midline hernia without gangreneStrangulated spigelian hernia without gangreneStrangulated subxiphoid hernia without gangreneSubxiphoid hernia causing obstruction, without gangrene
K43.7 Other and unspecified ventral hernia with gangrene
Any condition listed under K43.6 specified as gangrenous
K43.9 Ventral hernia without obstruction or gangreneEpigastric herniaVentral hernia NOS
Use additional code to identify manifestations, such as:pyoderma gangrenosum (L88)
Excludes1: ulcerative colitis (K51.-)
K50.0 Crohn's disease of small intestine
Crohn's disease [regional enteritis] of duodenumCrohn's disease [regional enteritis] of ileumCrohn's disease [regional enteritis] of jejunumRegional ileitisTerminal ileitis
Excludes1: Crohn's disease of both small and large intestine (K50.8-)
K50.00 Crohn's disease of small intestine without complications
K50.01 Crohn's disease of small intestine with complications
K50.011 Crohn's disease of small intestine with rectal bleeding
K50.012 Crohn's disease of small intestine with intestinal obstruction
K50.013 Crohn's disease of small intestine with fistula
K50.014 Crohn's disease of small intestine with abscess
K50.018 Crohn's disease of small intestine with other complication
K50.019 Crohn's disease of small intestine with unspecified complications
K50.1 Crohn's disease of large intestine
Crohn's disease [regional enteritis] of colonCrohn's disease [regional enteritis] of large bowelCrohn's disease [regional enteritis] of rectumGranulomatous colitisRegional colitis
Excludes1: Crohn's disease of both small and large intestine (K50.8)
K50.10 Crohn's disease of large intestine without complications
K50.11 Crohn's disease of large intestine with complications
K50.111 Crohn's disease of large intestine with rectal bleeding
K50.112 Crohn's disease of large intestine with intestinal obstruction
K50.113 Crohn's disease of large intestine with fistula
K50.114 Crohn's disease of large intestine with abscess
K50.118 Crohn's disease of large intestine with other complication
K50.119 Crohn's disease of large intestine with unspecified complications
K50.8 Crohn's disease of both small and large intestine
K50.80 Crohn's disease of both small and large intestine without complications
K50.81 Crohn's disease of both small and large intestine with complications
K50.811 Crohn's disease of both small and large intestine with rectal bleeding
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K50.812 Crohn's disease of both small and large intestine with intestinal obstruction
K50.813 Crohn's disease of both small and large intestine with fistula
K50.814 Crohn's disease of both small and large intestine with abscess
K50.818 Crohn's disease of both small and large intestine with other complication
K50.819 Crohn's disease of both small and large intestine with unspecified complications
K50.9 Crohn's disease, unspecified
K50.90 Crohn's disease, unspecified, without complicationsCrohn's disease NOSRegional enteritis NOS
K50.91 Crohn's disease, unspecified, with complications
K50.911 Crohn's disease, unspecified, with rectal bleeding
K50.912 Crohn's disease, unspecified, with intestinal obstruction
K50.913 Crohn's disease, unspecified, with fistula
K50.914 Crohn's disease, unspecified, with abscess
K50.918 Crohn's disease, unspecified, with other complication
K50.919 Crohn's disease, unspecified, with unspecified complications
K51 Ulcerative colitis
Use additional code to identify manifestations, such as:pyoderma gangrenosum (L88)
K56 Paralytic ileus and intestinal obstruction without hernia
Excludes1: congenital stricture or stenosis of intestine (Q41-Q42)cystic fibrosis with meconium ileus (E84.11)ischemic stricture of intestine (K55.1)meconium ileus NOS (P76.0)neonatal intestinal obstructions classifiable to P76.-obstruction of duodenum (K31.5)postprocedural intestinal obstruction (K91.3-)stenosis of anus or rectum (K62.4)
K56.0 Paralytic ileus
Paralysis of bowelParalysis of colonParalysis of intestine
Excludes1: gallstone ileus (K56.3)
ileus NOS (K56.7)obstructive ileus NOS (K56.69-)
K56.1 Intussusception
Intussusception or invagination of bowelIntussusception or invagination of colon
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Intussusception or invagination of intestineIntussusception or invagination of rectum
Excludes2: intussusception of appendix (K38.8)
K56.2 Volvulus
Strangulation of colon or intestineTorsion of colon or intestineTwist of colon or intestine
K56.5 Intestinal adhesions [bands] with obstruction (postinfection)
Abdominal hernia due to adhesions with obstructionPeritoneal adhesions [bands] with intestinal obstruction (postinfection)
K56.50 Intestinal adhesions [bands], unspecified as to partial versus complete obstruction
Intestinal adhesions with obstruction NOS
K56.51 Intestinal adhesions [bands], with partial obstructionIntestinal adhesions with incomplete obstruction
K56.52 Intestinal adhesions [bands] with complete obstruction
K56.6 Other and unspecified intestinal obstruction
K56.60 Unspecified intestinal obstruction
Excludes1: intestinal obstruction due to specified condition-code to condition
K56.600 Partial intestinal obstruction, unspecified as to cause
Incomplete intestinal obstruction, NOS
K56.601 Complete intestinal obstruction, unspecified as to cause
K56.609 Unspecified intestinal obstruction, unspecified as to partial versus completeobstructionIntestinal obstruction NOS
K56.69 Other intestinal obstruction
Enterostenosis NOSObstructive ileus NOSOcclusion of colon or intestine NOSStenosis of colon or intestine NOSStricture of colon or intestine NOS
Excludes1: intestinal obstruction due to specified condition-code to condition
K56.690 Other partial intestinal obstruction
Other incomplete intestinal obstruction
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K56.691 Other complete intestinal obstruction
K56.699 Other intestinal obstruction unspecified as to partial versus complete obstructionOther intestinal obstruction, NEC
K56.7 Ileus, unspecified
Excludes1: obstructive ileus (K56.69-)
Excludes2: intestinal obstruction with hernia (K40-K46)
K57 Diverticular disease of intestine
Excludes1: congenital diverticulum of intestine (Q43.8)Meckel's diverticulum (Q43.0)
Excludes2: diverticulum of appendix (K38.2)
K57.0 Diverticulitis of small intestine with perforation and abscess
Diverticulitis of small intestine with peritonitis
Excludes1: diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
K57.00 Diverticulitis of small intestine with perforation and abscess without bleeding
K57.01 Diverticulitis of small intestine with perforation and abscess with bleeding
K57.1 Diverticular disease of small intestine without perforation or abscess
Excludes1: diverticular disease of both small and large intestine without perforation or abscess (K57.5-)
K57.10 Diverticulosis of small intestine without perforation or abscess without bleedingDiverticular disease of small intestine NOS
K57.11 Diverticulosis of small intestine without perforation or abscess with bleeding
K57.12 Diverticulitis of small intestine without perforation or abscess without bleeding
K57.13 Diverticulitis of small intestine without perforation or abscess with bleeding
K57.2 Diverticulitis of large intestine with perforation and abscess
Diverticulitis of colon with peritonitis
Excludes1: diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
K57.20 Diverticulitis of large intestine with perforation and abscess without bleeding
K57.21 Diverticulitis of large intestine with perforation and abscess with bleeding
K57.3 Diverticular disease of large intestine without perforation or abscess
Excludes1: diverticular disease of both small and large intestine without perforation or abscess (K57.5-)
K57.30 Diverticulosis of large intestine without perforation or abscess without bleedingDiverticular disease of colon NOS
K57.31 Diverticulosis of large intestine without perforation or abscess with bleeding
K57.32 Diverticulitis of large intestine without perforation or abscess without bleeding
K57.33 Diverticulitis of large intestine without perforation or abscess with bleeding
K57.4 Diverticulitis of both small and large intestine with perforation and abscess
Diverticulitis of both small and large intestine with peritonitisPage 36
K57.40 Diverticulitis of both small and large intestine with perforation and abscess without bleeding
K57.41 Diverticulitis of both small and large intestine with perforation and abscess with bleeding
K57.5 Diverticular disease of both small and large intestine without perforation or abscess
K57.50 Diverticulosis of both small and large intestine without perforation or abscess without bleedingDiverticular disease of both small and large intestine NOS
K57.51 Diverticulosis of both small and large intestine without perforation or abscess with bleeding
K57.52 Diverticulitis of both small and large intestine without perforation or abscess without bleeding
K57.53 Diverticulitis of both small and large intestine without perforation or abscess with bleeding
K57.8 Diverticulitis of intestine, part unspecified, with perforation and abscess
Diverticulitis of intestine NOS with peritonitis
K57.80 Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
K57.81 Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding
K57.9 Diverticular disease of intestine, part unspecified, without perforation or abscess
K57.90 Diverticulosis of intestine, part unspecified, without perforation or abscess without bleedingDiverticular disease of intestine NOS
K57.91 Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
K57.92 Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
K57.93 Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding
K58 Irritable bowel syndrome
Includes: irritable colonspastic colon
K58.0 Irritable bowel syndrome with diarrhea
K58.1 Irritable bowel syndrome with constipation
K58.2 Mixed irritable bowel syndrome
K58.8 Other irritable bowel syndrome
K58.9 Irritable bowel syndrome without diarrhea
Irritable bowel syndrome NOS K59 Other functional intestinal disorders
Excludes1: change in bowel habit NOS (R19.4)intestinal malabsorption (K90.-)psychogenic intestinal disorders (F45.8)
Excludes2: functional disorders of stomach (K31.-)
K59.0 Constipation
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes1: fecal impaction (K56.41)
incomplete defecation (R15.0)
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K59.00 Constipation, unspecified
K59.01 Slow transit constipation
K59.02 Outlet dysfunction constipation
K59.03 Drug induced constipation
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixthcharacter 5
K59.04 Chronic idiopathic constipation
Functional constipation
K59.09 Other constipationChronic constipation
K59.1 Functional diarrhea
Excludes1: diarrhea NOS (R19.7)
irritable bowel syndrome with diarrhea (K58.0)
K59.2 Neurogenic bowel, not elsewhere classified
K59.3 Megacolon, not elsewhere classifiedDilatation of colon
Code first, if applicable (T51-T65) to identify toxic agent
Anal intraepithelial neoplasia I and II (AIN I and II) (histologically confirmed)Dysplasia of anus NOSMild and moderate dysplasia of anus (histologically confirmed)
Excludes1: abnormal results from anal cytologic examination without histologic confirmation (R85.61-)
anal intraepithelial neoplasia III (D01.3)carcinoma in situ of anus (D01.3)HGSIL of anus (R85.613)severe dysplasia of anus (D01.3)
K62.89 Other specified diseases of anus and rectum
Proctitis NOS
Use additional code for any associated fecal incontinence (R15.-)
K62.9 Disease of anus and rectum, unspecified K63 Other diseases of intestine
K63.0 Abscess of intestine
Excludes1: abscess of intestine with Crohn's disease (K50.014, K50.114, K50.814, K50.914,)abscess of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)abscess of intestine with ulcerative colitis (K51.014, K51.214, K51.314, K51.414, K51.514,
K51.814, K51.914)
Excludes2: abscess of anal and rectal regions (K61.-)abscess of appendix (K35.3)
K63.1 Perforation of intestine (nontraumatic)
Perforation (nontraumatic) of rectum
Excludes1: perforation (nontraumatic) of duodenum (K26.-)perforation (nontraumatic) of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
Excludes2: perforation (nontraumatic) of appendix (K35.2, K35.3)
K63.2 Fistula of intestine
Excludes1: fistula of duodenum (K31.6)
fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,)fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813,
K51.913)
Excludes2: fistula of anal and rectal regions (K60.-)fistula of appendix (K38.3)intestinal-genital fistula, female (N82.2-N82.4)
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vesicointestinal fistula (N32.1)
K63.3 Ulcer of intestinePrimary ulcer of small intestine
Excludes1: duodenal ulcer (K26.-)
gastrointestinal ulcer (K28.-)gastrojejunal ulcer (K28.-)jejunal ulcer (K28.-)peptic ulcer, site unspecified (K27.-)ulcer of intestine with perforation (K63.1)ulcer of anus or rectum (K62.6)ulcerative colitis (K51.-)
K63.4 Enteroptosis
K63.5 Polyp of colon
Excludes1: adenomatous polyp of colon (D12.6)
inflammatory polyp of colon (K51.4-)polyposis of colon (D12.6)
K63.8 Other specified diseases of intestine
K63.81 Dieulafoy lesion of intestine
Excludes2: Dieulafoy lesion of stomach and duodenum (K31.82)
K63.89 Other specified diseases of intestine
K63.9 Disease of intestine, unspecified
K64 Hemorrhoids and perianal venous thrombosis
Includes: piles
Excludes1: hemorrhoids complicating childbirth and the puerperium (O87.2)hemorrhoids complicating pregnancy (O22.4)
K64.0 First degree hemorrhoids
Grade/stage I hemorrhoidsHemorrhoids (bleeding) without prolapse outside of anal canal
K64.1 Second degree hemorrhoids
Grade/stage II hemorrhoidsHemorrhoids (bleeding) that prolapse with straining, but retract spontaneously
K64.2 Third degree hemorrhoids
Grade/stage III hemorrhoidsHemorrhoids (bleeding) that prolapse with straining and require manual replacement back inside anal canal
K64.3 Fourth degree hemorrhoids
Grade/stage IV hemorrhoidsHemorrhoids (bleeding) with prolapsed tissue that cannot be manually replaced
K64.4 Residual hemorrhoidal skin tags
External hemorrhoids, NOSSkin tags of anus
K64.5 Perianal venous thrombosis
External hemorrhoids with thrombosisPerianal hematomaThrombosed hemorrhoids NOS
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K64.8 Other hemorrhoidsInternal hemorrhoids, without mention of degreeProlapsed hemorrhoids, degree not specified
K64.9 Unspecified hemorrhoids
Hemorrhoids (bleeding) NOSHemorrhoids (bleeding) without mention of degree
Diseases of peritoneum and retroperitoneum (K65-K68) K65 Peritonitis
Use additional code (B95-B97), to identify infectious agent
Excludes1: acute appendicitis with generalized peritonitis (K35.2)aseptic peritonitis (T81.6)benign paroxysmal peritonitis (E85.0)chemical peritonitis (T81.6)diverticulitis of both small and large intestine with peritonitis (K57.4-)diverticulitis of colon with peritonitis (K57.2-)diverticulitis of intestine, NOS, with peritonitis (K57.8-)diverticulitis of small intestine with peritonitis (K57.0-)gonococcal peritonitis (A54.85)neonatal peritonitis (P78.0-P78.1)pelvic peritonitis, female (N73.3-N73.5)periodic familial peritonitis (E85.0)peritonitis due to talc or other foreign substance (T81.6)peritonitis in chlamydia (A74.81)peritonitis in diphtheria (A36.89)peritonitis in syphilis (late) (A52.74)peritonitis in tuberculosis (A18.31)peritonitis with or following abortion or ectopic or molar pregnancy (O00-O07, O08.0)peritonitis with or following appendicitis (K35.-)peritonitis with or following diverticular disease of intestine (K57.-)puerperal peritonitis (O85)retroperitoneal infections (K68.-)
Code first poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4 or 6)
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes2: alcoholic liver disease (K70.-)
Budd-Chiari syndrome (I82.0)
K71.0 Toxic liver disease with cholestasisCholestasis with hepatocyte injury'Pure' cholestasis
K71.1 Toxic liver disease with hepatic necrosis
Hepatic failure (acute) (chronic) due to drugs
K71.10 Toxic liver disease with hepatic necrosis, without coma
K71.11 Toxic liver disease with hepatic necrosis, with coma
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K71.2 Toxic liver disease with acute hepatitis
K71.3 Toxic liver disease with chronic persistent hepatitis
K71.4 Toxic liver disease with chronic lobular hepatitis
K71.5 Toxic liver disease with chronic active hepatitisToxic liver disease with lupoid hepatitis
K71.50 Toxic liver disease with chronic active hepatitis without ascites
K71.51 Toxic liver disease with chronic active hepatitis with ascites
K71.6 Toxic liver disease with hepatitis, not elsewhere classified
K71.7 Toxic liver disease with fibrosis and cirrhosis of liver
K71.8 Toxic liver disease with other disorders of liver
Toxic liver disease with focal nodular hyperplasiaToxic liver disease with hepatic granulomasToxic liver disease with peliosis hepatisToxic liver disease with veno-occlusive disease of liver
K71.9 Toxic liver disease, unspecified
K72 Hepatic failure, not elsewhere classified
Includes: fulminant hepatitis NEC, with hepatic failurehepatic encephalopathy NOSliver (cell) necrosis with hepatic failuremalignant hepatitis NEC, with hepatic failureyellow liver atrophy or dystrophy
Excludes1: alcoholic hepatic failure (K70.4)
hepatic failure with toxic liver disease (K71.1-)icterus of newborn (P55-P59)postprocedural hepatic failure (K91.82)
Excludes2: hepatic failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
hepatic failure complicating pregnancy, childbirth and the puerperium (O26.6-)viral hepatitis with hepatic coma (B15-B19)
K72.0 Acute and subacute hepatic failure
Acute non-viral hepatitis NOS
K72.00 Acute and subacute hepatic failure without coma
K72.01 Acute and subacute hepatic failure with coma
K72.1 Chronic hepatic failure
K72.10 Chronic hepatic failure without coma
K72.11 Chronic hepatic failure with coma
K72.9 Hepatic failure, unspecified
K72.90 Hepatic failure, unspecified without coma
K72.91 Hepatic failure, unspecified with comaHepatic coma NOS
K76.1 Chronic passive congestion of liverCardiac cirrhosisCardiac sclerosis
K76.2 Central hemorrhagic necrosis of liver
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Excludes1: liver necrosis with hepatic failure (K72.-)
K76.3 Infarction of liver
K76.4 Peliosis hepatisHepatic angiomatosis
K76.5 Hepatic veno-occlusive disease
Excludes1: Budd-Chiari syndrome (I82.0)
K76.6 Portal hypertension
Use additional code for any associated complications, such as:
portal hypertensive gastropathy (K31.89)
K76.7 Hepatorenal syndrome
Excludes1: hepatorenal syndrome following labor and delivery (O90.4)postprocedural hepatorenal syndrome (K91.83)
K76.8 Other specified diseases of liver
K76.81 Hepatopulmonary syndrome
Code first underlying liver disease, such as:
alcoholic cirrhosis of liver (K70.3-)cirrhosis of liver without mention of alcohol (K74.6-)
K76.89 Other specified diseases of liver
Cyst (simple) of liverFocal nodular hyperplasia of liverHepatoptosis
K76.9 Liver disease, unspecified
K77 Liver disorders in diseases classified elsewhere
Code first underlying disease, such as:amyloidosis (E85.-)congenital syphilis (A50.0, A50.5)congenital toxoplasmosis (P37.1)schistosomiasis (B65.0-B65.9)
Excludes1: alcoholic hepatitis (K70.1-)
alcoholic liver disease (K70.-)cytomegaloviral hepatitis (B25.1)herpesviral [herpes simplex] hepatitis (B00.81)infectious mononucleosis with liver disease (B27.0-B27.9 with .9)mumps hepatitis (B26.81)sarcoidosis with liver disease (D86.89)secondary syphilis with liver disease (A51.45)syphilis (late) with liver disease (A52.74)toxoplasmosis (acquired) hepatitis (B58.1)tuberculosis with liver disease (A18.83)
Disorders of gallbladder, biliary tract and pancreas (K80-K87) K80 Cholelithiasis
Excludes1: retained cholelithiasis following cholecystectomy (K91.86)
K80.0 Calculus of gallbladder with acute cholecystitisPage 48
Any condition listed in K80.2 with acute cholecystitis
K80.00 Calculus of gallbladder with acute cholecystitis without obstruction
K80.01 Calculus of gallbladder with acute cholecystitis with obstruction
K80.1 Calculus of gallbladder with other cholecystitis
K80.10 Calculus of gallbladder with chronic cholecystitis without obstructionCholelithiasis with cholecystitis NOS
K80.11 Calculus of gallbladder with chronic cholecystitis with obstruction
K80.12 Calculus of gallbladder with acute and chronic cholecystitis without obstruction
K80.13 Calculus of gallbladder with acute and chronic cholecystitis with obstruction
K80.18 Calculus of gallbladder with other cholecystitis without obstruction
K80.19 Calculus of gallbladder with other cholecystitis with obstruction
K80.2 Calculus of gallbladder without cholecystitis
Cholecystolithiasis without cholecystitisCholelithiasis (without cholecystitis)Colic (recurrent) of gallbladder (without cholecystitis)Gallstone (impacted) of cystic duct (without cholecystitis)Gallstone (impacted) of gallbladder (without cholecystitis)
K80.20 Calculus of gallbladder without cholecystitis without obstruction
K80.21 Calculus of gallbladder without cholecystitis with obstruction
K80.3 Calculus of bile duct with cholangitis
Any condition listed in K80.5 with cholangitis
K80.30 Calculus of bile duct with cholangitis, unspecified, without obstruction
K80.31 Calculus of bile duct with cholangitis, unspecified, with obstruction
K80.32 Calculus of bile duct with acute cholangitis without obstruction
K80.33 Calculus of bile duct with acute cholangitis with obstruction
K80.34 Calculus of bile duct with chronic cholangitis without obstruction
K80.35 Calculus of bile duct with chronic cholangitis with obstruction
K80.36 Calculus of bile duct with acute and chronic cholangitis without obstruction
K80.37 Calculus of bile duct with acute and chronic cholangitis with obstruction
K80.4 Calculus of bile duct with cholecystitisAny condition listed in K80.5 with cholecystitis (with cholangitis)
K80.40 Calculus of bile duct with cholecystitis, unspecified, without obstruction
K80.41 Calculus of bile duct with cholecystitis, unspecified, with obstruction
K80.42 Calculus of bile duct with acute cholecystitis without obstruction
K80.43 Calculus of bile duct with acute cholecystitis with obstruction
K80.44 Calculus of bile duct with chronic cholecystitis without obstruction
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K80.45 Calculus of bile duct with chronic cholecystitis with obstruction
K80.46 Calculus of bile duct with acute and chronic cholecystitis without obstruction
K80.47 Calculus of bile duct with acute and chronic cholecystitis with obstruction
K80.5 Calculus of bile duct without cholangitis or cholecystitisCholedocholithiasis (without cholangitis or cholecystitis)Gallstone (impacted) of bile duct NOS (without cholangitis or cholecystitis)Gallstone (impacted) of common duct (without cholangitis or cholecystitis)Gallstone (impacted) of hepatic duct (without cholangitis or cholecystitis)Hepatic cholelithiasis (without cholangitis or cholecystitis)Hepatic colic (recurrent) (without cholangitis or cholecystitis)
K80.50 Calculus of bile duct without cholangitis or cholecystitis without obstruction
K80.51 Calculus of bile duct without cholangitis or cholecystitis with obstruction
K80.6 Calculus of gallbladder and bile duct with cholecystitis
K80.60 Calculus of gallbladder and bile duct with cholecystitis, unspecified, without obstruction
K80.61 Calculus of gallbladder and bile duct with cholecystitis, unspecified, with obstruction
K80.62 Calculus of gallbladder and bile duct with acute cholecystitis without obstruction
K80.63 Calculus of gallbladder and bile duct with acute cholecystitis with obstruction
K80.64 Calculus of gallbladder and bile duct with chronic cholecystitis without obstruction
K80.65 Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction
K80.66 Calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction
K80.67 Calculus of gallbladder and bile duct with acute and chronic cholecystitis with obstruction
K80.7 Calculus of gallbladder and bile duct without cholecystitis
K80.70 Calculus of gallbladder and bile duct without cholecystitis without obstruction
K80.71 Calculus of gallbladder and bile duct without cholecystitis with obstruction
K80.8 Other cholelithiasis
K80.80 Other cholelithiasis without obstruction
K80.81 Other cholelithiasis with obstruction
K81 Cholecystitis
Excludes1: cholecystitis with cholelithiasis (K80.-)
K81.0 Acute cholecystitisAbscess of gallbladderAngiocholecystitisEmphysematous (acute) cholecystitisEmpyema of gallbladderGangrene of gallbladderGangrenous cholecystitisSuppurative cholecystitis
K81.1 Chronic cholecystitis
K81.2 Acute cholecystitis with chronic cholecystitis
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K81.9 Cholecystitis, unspecified K82 Other diseases of gallbladder
Excludes1: nonvisualization of gallbladder (R93.2)postcholecystectomy syndrome (K91.5)
K82.0 Obstruction of gallbladder
Occlusion of cystic duct or gallbladder without cholelithiasisStenosis of cystic duct or gallbladder without cholelithiasisStricture of cystic duct or gallbladder without cholelithiasis
Excludes1: obstruction of gallbladder with cholelithiasis (K80.-)
K82.1 Hydrops of gallbladder
Mucocele of gallbladder
K82.2 Perforation of gallbladderRupture of cystic duct or gallbladder
K82.3 Fistula of gallbladder
Cholecystocolic fistulaCholecystoduodenal fistula
K82.4 Cholesterolosis of gallbladder
Strawberry gallbladder
Excludes1: cholesterolosis of gallbladder with cholecystitis (K81.-)cholesterolosis of gallbladder with cholelithiasis (K80.-)
K82.8 Other specified diseases of gallbladder
Adhesions of cystic duct or gallbladderAtrophy of cystic duct or gallbladderCyst of cystic duct or gallbladderDyskinesia of cystic duct or gallbladderHypertrophy of cystic duct or gallbladderNonfunctioning of cystic duct or gallbladderUlcer of cystic duct or gallbladder
K82.9 Disease of gallbladder, unspecified
K83 Other diseases of biliary tract
Excludes1: postcholecystectomy syndrome (K91.5)
Excludes2: conditions involving the gallbladder (K81-K82)conditions involving the cystic duct (K81-K82)
cholangitis with choledocholithiasis (K80.3-, K80.4-)chronic nonsuppurative destructive cholangitis (K74.3)
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K83.1 Obstruction of bile ductOcclusion of bile duct without cholelithiasisStenosis of bile duct without cholelithiasisStricture of bile duct without cholelithiasis
Excludes1: congenital obstruction of bile duct (Q44.3)
obstruction of bile duct with cholelithiasis (K80.-)
K83.2 Perforation of bile ductRupture of bile duct
K83.3 Fistula of bile duct
Choledochoduodenal fistula
K83.4 Spasm of sphincter of Oddi
K83.5 Biliary cyst
K83.8 Other specified diseases of biliary tractAdhesions of biliary tractAtrophy of biliary tractHypertrophy of biliary tractUlcer of biliary tract
Code also exocrine pancreatic insufficiency (K86.81)
K86.2 Cyst of pancreas
K86.3 Pseudocyst of pancreas
K86.8 Other specified diseases of pancreas
K86.81 Exocrine pancreatic insufficiency
K86.89 Other specified diseases of pancreas
Aseptic pancreatic necrosis, unrelated to acute pancreatitisAtrophy of pancreasCalculus of pancreasCirrhosis of pancreasFibrosis of pancreasPancreatic fat necrosis, unrelated to acute pancreatitisPancreatic infantilismPancreatic necrosis NOS, unrelated to acute pancreatitis
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K86.9 Disease of pancreas, unspecified K87 Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere
Code first underlying disease
Excludes1: cytomegaloviral pancreatitis(B25.2)mumps pancreatitis (B26.3)syphilitic gallbladder (A52.74)syphilitic pancreas (A52.74)tuberculosis of gallbladder (A18.83)tuberculosis of pancreas (A18.83)
Other diseases of the digestive system (K90-K95) K90 Intestinal malabsorption
Excludes1: intestinal malabsorption following gastrointestinal surgery (K91.2)
K90.0 Celiac diseaseCeliac disease with steatorrheaCeliac gluten-sensitive enteropathyNontropical sprue
Use additional code for associated disorders including:
K90.49 Malabsorption due to intolerance, not elsewhere classified
Malabsorption due to intolerance to carbohydrateMalabsorption due to intolerance to fatMalabsorption due to intolerance to proteinMalabsorption due to intolerance to starch
K90.8 Other intestinal malabsorption
K90.81 Whipple's disease
K90.89 Other intestinal malabsorption
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K90.9 Intestinal malabsorption, unspecified K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
Excludes2: complications of artificial opening of digestive system (K94.-)complications of bariatric procedures (K95.-)gastrojejunal ulcer (K28.-)postprocedural (radiation) retroperitoneal abscess (K68.11)radiation colitis (K52.0)radiation gastroenteritis (K52.0)radiation proctitis (K62.7)
K91.6 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a
procedure
Excludes1: intraoperative hemorrhage and hematoma of a digestive system organ or structure due toaccidental puncture and laceration during a procedure (K91.7-)
K91.61 Intraoperative hemorrhage and hematoma of a digestive system organ or structure
complicating a digestive system procedure
K91.62 Intraoperative hemorrhage and hematoma of a digestive system organ or structurecomplicating other procedure
K91.7 Accidental puncture and laceration of a digestive system organ or structure during a procedure
K91.71 Accidental puncture and laceration of a digestive system organ or structure during a digestive
system procedure
K91.72 Accidental puncture and laceration of a digestive system organ or structure during otherprocedure
K91.8 Other intraoperative and postprocedural complications and disorders of digestive system
K91.81 Other intraoperative complications of digestive system
K91.82 Postprocedural hepatic failure
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K91.83 Postprocedural hepatorenal syndrome
K91.84 Postprocedural hemorrhage of a digestive system organ or structure following a procedure
K91.840 Postprocedural hemorrhage of a digestive system organ or structure following adigestive system procedure
K91.841 Postprocedural hemorrhage of a digestive system organ or structure following other
procedure
K91.85 Complications of intestinal pouch
K91.850 PouchitisInflammation of internal ileoanal pouch
K91.858 Other complications of intestinal pouch
K91.86 Retained cholelithiasis following cholecystectomy
K91.87 Postprocedural hematoma and seroma of a digestive system organ or structure following a
procedure
K91.870 Postprocedural hematoma of a digestive system organ or structure following adigestive system procedure
K91.871 Postprocedural hematoma of a digestive system organ or structure following other
procedure
K91.872 Postprocedural seroma of a digestive system organ or structure following a digestivesystem procedure
K91.873 Postprocedural seroma of a digestive system organ or structure following other
procedure
K91.89 Other postprocedural complications and disorders of digestive system
Use additional code, if applicable, to further specify disorder
Excludes2: postprocedural retroperitoneal abscess (K68.11) K92 Other diseases of digestive system
K92.2 Gastrointestinal hemorrhage, unspecifiedGastric hemorrhage NOSIntestinal hemorrhage NOS
Excludes1: acute hemorrhagic gastritis (K29.01)
hemorrhage of anus and rectum (K62.5)angiodysplasia of stomach with hemorrhage (K31.811)diverticular disease with hemorrhage (K57.-)gastritis and duodenitis with hemorrhage (K29.-)peptic ulcer with hemorrhage (K25-K28)
K92.8 Other specified diseases of the digestive system
K92.81 Gastrointestinal mucositis (ulcerative)
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Code also type of associated therapy, such as:antineoplastic and immunosuppressive drugs (T45.1X-)radiological procedure and radiotherapy (Y84.2)
Excludes2: mucositis (ulcerative) of vagina and vulva (N76.81)
K92.89 Other specified diseases of the digestive system
K92.9 Disease of digestive system, unspecified
K94 Complications of artificial openings of the digestive system
K94.0 Colostomy complications
K94.00 Colostomy complication, unspecified
K94.01 Colostomy hemorrhage
K94.02 Colostomy infection
Use additional code to specify type of infection, such as:cellulitis of abdominal wall (L03.311)sepsis (A40.-, A41.-)
K94.03 Colostomy malfunction
Mechanical complication of colostomy
K94.09 Other complications of colostomy
K94.1 Enterostomy complications
K94.10 Enterostomy complication, unspecified
K94.11 Enterostomy hemorrhage
K94.12 Enterostomy infection
Use additional code to specify type of infection, such as:cellulitis of abdominal wall (L03.311)sepsis (A40.-, A41.-)
K94.13 Enterostomy malfunction
Mechanical complication of enterostomy
K94.19 Other complications of enterostomy
K94.2 Gastrostomy complications
K94.20 Gastrostomy complication, unspecified
K94.21 Gastrostomy hemorrhage
K94.22 Gastrostomy infection
Use additional code to specify type of infection, such as:cellulitis of abdominal wall (L03.311)sepsis (A40.-, A41.-)
K94.23 Gastrostomy malfunction
Mechanical complication of gastrostomy
K94.29 Other complications of gastrostomyPage 57
K94.3 Esophagostomy complications
K94.30 Esophagostomy complications, unspecified
K94.31 Esophagostomy hemorrhage
K94.32 Esophagostomy infection
Use additional code to identify the infection
K94.33 Esophagostomy malfunctionMechanical complication of esophagostomy
K94.39 Other complications of esophagostomy
K95 Complications of bariatric procedures
K95.0 Complications of gastric band procedure
K95.01 Infection due to gastric band procedure
Use additional code to specify type of infection or organism, such as:bacterial and viral infectious agents (B95.-, B96.-)cellulitis of abdominal wall (L03.311)sepsis (A40.-, A41.-)
K95.09 Other complications of gastric band procedure
Use additional code, if applicable, to further specify complication
K95.8 Complications of other bariatric procedure
Excludes1: complications of gastric band surgery (K95.0-)
K95.81 Infection due to other bariatric procedure
Use additional code to specify type of infection or organism, such as:
bacterial and viral infectious agents (B95.-, B96.-)cellulitis of abdominal wall (L03.311)sepsis (A40.-, A41.-)
K95.89 Other complications of other bariatric procedure
Use additional code, if applicable, to further specify complication