ICD-10 Chapter K

# K00-K93 - Diseases of the digestive system

## (K00-K14) Diseases of oral cavity, salivary glands and jaws
- (K00) Disorders of tooth development and eruption
(K00.0) Anodontia
(K00.1) Supernumerary teeth
(K00.2) Abnormalities of size and form of teeth
Concrescence
Tooth fusion
Dens evaginatus
Dens invaginatus
Enamel pearls
Macrodontia
Microdontia
Taurodontism
(K00.4) Disturbances in tooth formation
Dilaceration of tooth
Enamel hypoplasia
Regional odontodysplasia
Turner's tooth
(K00.5) Hereditary disturbances in tooth structure, not elsewhere classified
Amelogenesis imperfecta
Dentinogenesis imperfecta
Odontogenesis imperfecta
Dentinal dysplasia
Shell teeth
(K00.6) Disturbances in tooth eruption
(K00.7) Teething syndrome
(K00.8) Other disorders of tooth development
(K00.9) Disorder of tooth development, unspecified
- (K00.0) Anodontia
- (K00.1) Supernumerary teeth
- (K00.2) Abnormalities of size and form of teeth
Concrescence
Tooth fusion
Dens evaginatus
Dens invaginatus
Enamel pearls
Macrodontia
Microdontia
Taurodontism
- Concrescence
- Tooth fusion
- Dens evaginatus
- Dens invaginatus
- Enamel pearls
- Macrodontia
- Microdontia
- Taurodontism
- (K00.4) Disturbances in tooth formation
Dilaceration of tooth
Enamel hypoplasia
Regional odontodysplasia
Turner's tooth
- Dilaceration of tooth
- Enamel hypoplasia
- Regional odontodysplasia
- Turner's tooth
- (K00.5) Hereditary disturbances in tooth structure, not elsewhere classified
Amelogenesis imperfecta
Dentinogenesis imperfecta
Odontogenesis imperfecta
Dentinal dysplasia
Shell teeth
- Amelogenesis imperfecta
- Dentinogenesis imperfecta
- Odontogenesis imperfecta
- Dentinal dysplasia
- Shell teeth
- (K00.6) Disturbances in tooth eruption
- (K00.7) Teething syndrome
- (K00.8) Other disorders of tooth development
- (K00.9) Disorder of tooth development, unspecified
- (K01) Embedded and impacted teeth
(K01.0) Embedded teeth
(K01.1) impacted teeth
- (K01.0) Embedded teeth
- (K01.1) impacted teeth
- (K02) Dental caries
(K02.0) Caries limited to enamel
(K02.1) Caries of dentine
(K02.2) Caries of cementum
(K02.3) Arrested dental caries
(K02.4) Odontoclasia
(K02.8) Other dental caries
(K02.9) Dental caries, unspecified
- (K02.0) Caries limited to enamel
- (K02.1) Caries of dentine
- (K02.2) Caries of cementum
- (K02.3) Arrested dental caries
- (K02.4) Odontoclasia
- (K02.8) Other dental caries
- (K02.9) Dental caries, unspecified
- (K03) Other diseases of hard tissues of teeth
(K03.0) Excessive attrition of teeth
(K03.1) Abrasion of teeth
(K03.2) Erosion of teeth
(K03.3) Pathological resorption of teeth
(K03.4) Hypercementosis
(K03.5) Ankylosis of teeth
(K03.6) Deposits (accretions) on teeth
(K03.7) Posteruptive colour changes of dental hard tissues
(K03.8) Other specified diseases of hard tissues of teeth
(K03.9) Disease of hard tissues of teeth, unspecified
- (K03.0) Excessive attrition of teeth
- (K03.1) Abrasion of teeth
- (K03.2) Erosion of teeth
- (K03.3) Pathological resorption of teeth
- (K03.4) Hypercementosis
- (K03.5) Ankylosis of teeth
- (K03.6) Deposits (accretions) on teeth
- (K03.7) Posteruptive colour changes of dental hard tissues
- (K03.8) Other specified diseases of hard tissues of teeth
- (K03.9) Disease of hard tissues of teeth, unspecified
- (K04) Diseases of pulp and periapical tissues
(K04.0) Pulpitis
(K04.1) Necrosis of pulp
(K04.2) Pulp degeneration
(K04.3) Abnormal hard tissue formation in pulp
(K04.4) Acute apical periodontitis of pulpal origin
(K04.5) Chronic apical periodontitis
(K04.6) Periapical abscess with sinus
(K04.7) Periapical abscess without sinus
(K04.8) Radicular cyst
(K04.9) Other and unspecified diseases of pulp and periapical tissues
- (K04.0) Pulpitis
- (K04.1) Necrosis of pulp
- (K04.2) Pulp degeneration
- (K04.3) Abnormal hard tissue formation in pulp
- (K04.4) Acute apical periodontitis of pulpal origin
- (K04.5) Chronic apical periodontitis
- (K04.6) Periapical abscess with sinus
- (K04.7) Periapical abscess without sinus
- (K04.8) Radicular cyst
- (K04.9) Other and unspecified diseases of pulp and periapical tissues
- (K05) Gingivitis and periodontal diseases
(K05.0) Acute gingivitis
(K05.1) Chronic gingivitis
(K05.2) Acute periodontitis
(K05.3) Chronic periodontitis
(K05.4) Periodontosis
(K05.5) Other periodontal diseases
(K05.6) Periodontal disease, unspecified
- (K05.0) Acute gingivitis
- (K05.1) Chronic gingivitis
- (K05.2) Acute periodontitis
- (K05.3) Chronic periodontitis
- (K05.4) Periodontosis
- (K05.5) Other periodontal diseases
- (K05.6) Periodontal disease, unspecified
- (K06) Other disorders of gingiva and edentulous alveolar ridge
(K06.0) Gingival recession
(K06.1) Gingival enlargement
(K06.2) Gingival and edentulous alveolar ridge lesions associated with trauma
(K06.8) Other specified disorders of gingiva and edentulous alveolar ridge
Fibrous epulis
Flabby ridge
Giant cell epulis
Peripheral giant cell granuloma
Pyogenic granuloma of gingiva 
(K06.9) Disorder of gingiva and edentulous alveolar ridge, unspecified
- (K06.0) Gingival recession
- (K06.1) Gingival enlargement
- (K06.2) Gingival and edentulous alveolar ridge lesions associated with trauma
- (K06.8) Other specified disorders of gingiva and edentulous alveolar ridge
Fibrous epulis
Flabby ridge
Giant cell epulis
Peripheral giant cell granuloma
Pyogenic granuloma of gingiva
- Fibrous epulis
- Flabby ridge
- Giant cell epulis
- Peripheral giant cell granuloma
- Pyogenic granuloma of gingiva
- (K06.9) Disorder of gingiva and edentulous alveolar ridge, unspecified
- (K07) Dentofacial anomalies (including malocclusion)
(K07.0) Major anomalies of jaw size
mandibular hyperplasia
maxillary hypoplasia
mandibular hyperplasia
maxillary hypoplasia
Macrognathism (mandibular)(maxillary)
Micrognathism (mandibular)(maxillary)
(K07.1) Anomalies of jaw-cranial base relationship
Asymmetry of jaw
Prognathism (mandibular)(maxillary)
Retrognathism (mandibular)(maxillary)
(K07.2) Anomalies of dental arch relationship
Crossbite (anterior)(posterior)
Disto-occlusion
Mesio-occlusion
Midline deviation of dental arch
Openbite (anterior)(posterior)
Overbite (excessive)
Overjet
Posterior lingual occlusion of mandibular teeth
(K07.3) Anomalies of tooth position
Crowding of tooth or teeth
Diastema of tooth or teeth
Displacement of tooth or teeth
Rotation of tooth or teeth
Abnormal spacing of tooth or teeth
Transpositionof tooth or teeth
Impacted or embedded teeth with abnormal position of such teeth or adjacent teeth
(K07.4) Malocclusion, unspecified
(K07.5) Dentofacial functional abnormalities
Abnormal jaw closure
Malocclusion due to abnormal swallowing
Malocclusion due tomouth breathing
Malocclusion due totongue, lip or finger habits
(K07.6) Temporomandibular joint disorders
Costen's complex or syndrome
Derangement of temporomandibular joint
Snapping jaw
Temporomandibular joint-pain-dysfunction syndrome
(K07.8) Other dentofacial anomalies
(K07.9) Dentofacial anomaly, unspecified
- (K07.0) Major anomalies of jaw size
mandibular hyperplasia
maxillary hypoplasia
mandibular hyperplasia
maxillary hypoplasia
Macrognathism (mandibular)(maxillary)
Micrognathism (mandibular)(maxillary)
- mandibular hyperplasia
- maxillary hypoplasia
- mandibular hyperplasia
- maxillary hypoplasia
- Macrognathism (mandibular)(maxillary)
- Micrognathism (mandibular)(maxillary)
- (K07.1) Anomalies of jaw-cranial base relationship
Asymmetry of jaw
Prognathism (mandibular)(maxillary)
Retrognathism (mandibular)(maxillary)
- Asymmetry of jaw
- Prognathism (mandibular)(maxillary)
- Retrognathism (mandibular)(maxillary)
- (K07.2) Anomalies of dental arch relationship
Crossbite (anterior)(posterior)
Disto-occlusion
Mesio-occlusion
Midline deviation of dental arch
Openbite (anterior)(posterior)
Overbite (excessive)
Overjet
Posterior lingual occlusion of mandibular teeth
- Crossbite (anterior)(posterior)
- Disto-occlusion
- Mesio-occlusion
- Midline deviation of dental arch
- Openbite (anterior)(posterior)
- Overbite (excessive)
- Overjet
- Posterior lingual occlusion of mandibular teeth
- (K07.3) Anomalies of tooth position
Crowding of tooth or teeth
Diastema of tooth or teeth
Displacement of tooth or teeth
Rotation of tooth or teeth
Abnormal spacing of tooth or teeth
Transpositionof tooth or teeth
Impacted or embedded teeth with abnormal position of such teeth or adjacent teeth
- Crowding of tooth or teeth
- Diastema of tooth or teeth
- Displacement of tooth or teeth
- Rotation of tooth or teeth
- Abnormal spacing of tooth or teeth
- Transpositionof tooth or teeth
- Impacted or embedded teeth with abnormal position of such teeth or adjacent teeth
- (K07.4) Malocclusion, unspecified
- (K07.5) Dentofacial functional abnormalities
Abnormal jaw closure
Malocclusion due to abnormal swallowing
Malocclusion due tomouth breathing
Malocclusion due totongue, lip or finger habits
- Abnormal jaw closure
- Malocclusion due to abnormal swallowing
- Malocclusion due tomouth breathing
- Malocclusion due totongue, lip or finger habits
- (K07.6) Temporomandibular joint disorders
Costen's complex or syndrome
Derangement of temporomandibular joint
Snapping jaw
Temporomandibular joint-pain-dysfunction syndrome
- Costen's complex or syndrome
- Derangement of temporomandibular joint
- Snapping jaw
- Temporomandibular joint-pain-dysfunction syndrome
- (K07.8) Other dentofacial anomalies
- (K07.9) Dentofacial anomaly, unspecified
- (K08) Other disorders of teeth and supporting structures
(K08.0) Exfoliation of teeth due to systemic causes
(K08.1) Loss of teeth due to accident, extraction or local periodontal disease
(K08.2) Atrophy of edentulous alveolar ridge
(K08.3) Retained dental root
(K08.8) Other specified disorders of teeth and supporting structures
Enlargement of alveolar ridge NOS
Irregular alveolar process
Toothache NOS
(K08.9) Disorder of teeth and supporting structures, unspecified
- (K08.0) Exfoliation of teeth due to systemic causes
- (K08.1) Loss of teeth due to accident, extraction or local periodontal disease
- (K08.2) Atrophy of edentulous alveolar ridge
- (K08.3) Retained dental root
- (K08.8) Other specified disorders of teeth and supporting structures
Enlargement of alveolar ridge NOS
Irregular alveolar process
Toothache NOS
- Enlargement of alveolar ridge NOS
- Irregular alveolar process
- Toothache NOS
- (K08.9) Disorder of teeth and supporting structures, unspecified
- (K09) Cysts of oral region, not elsewhere classified
(K09.0) Developmental odontogenic cysts
(K09.1) Developmental (nonodontogenic) cysts of oral region
(K09.2) Other cysts of jaw
(K09.8) Other cysts of oral region, not elsewhere classified
(K09.9) Cyst of oral region, unspecified
- (K09.0) Developmental odontogenic cysts
- (K09.1) Developmental (nonodontogenic) cysts of oral region
- (K09.2) Other cysts of jaw
- (K09.8) Other cysts of oral region, not elsewhere classified
- (K09.9) Cyst of oral region, unspecified
- (K10) Other diseases of jaws
(K10.0) Developmental disorders of jaws
Torus mandibularis
Torus palatinus
(K10.1) Giant cell granuloma, central
(K10.2) Inflammatory conditions of jaws
(K10.3) Alveolitis of jaws
(K10.8) Other specified diseases of jaws
(K10.9) Disease of jaws, unspecified
- (K10.0) Developmental disorders of jaws
Torus mandibularis
Torus palatinus
- Torus mandibularis
- Torus palatinus
- (K10.1) Giant cell granuloma, central
- (K10.2) Inflammatory conditions of jaws
- (K10.3) Alveolitis of jaws
- (K10.8) Other specified diseases of jaws
- (K10.9) Disease of jaws, unspecified
- (K11) Diseases of salivary glands
(K11.0) Atrophy of salivary gland
(K11.1) Hypertrophy of salivary gland
(K11.2) Sialadenitis
(K11.3) Abscess of salivary gland
(K11.4) Fistula of salivary gland
(K11.5) Sialolithiasis
(K11.6) Mucocele of salivary gland
Ranula
(K11.7) Disturbances of salivary secretion
Hypoptyalism
Ptyalism
Xerostomia
(K11.8) Other diseases of salivary glands
Benign lymphoepithelial lesion of salivary gland
Mikulicz' disease
Necrotizing sialometaplasia
Sialectasia
- (K11.0) Atrophy of salivary gland
- (K11.1) Hypertrophy of salivary gland
- (K11.2) Sialadenitis
- (K11.3) Abscess of salivary gland
- (K11.4) Fistula of salivary gland
- (K11.5) Sialolithiasis
- (K11.6) Mucocele of salivary gland
Ranula
- Ranula
- (K11.7) Disturbances of salivary secretion
Hypoptyalism
Ptyalism
Xerostomia
- Hypoptyalism
- Ptyalism
- Xerostomia
- (K11.8) Other diseases of salivary glands
Benign lymphoepithelial lesion of salivary gland
Mikulicz' disease
Necrotizing sialometaplasia
Sialectasia
- Benign lymphoepithelial lesion of salivary gland
- Mikulicz' disease
- Necrotizing sialometaplasia
- Sialectasia
- (K11.9) Disease of salivary gland, unspecified
- (K11.9) Disease of salivary gland, unspecified
- (K12) Stomatitis and related lesions
(K12.0) Recurrent oral aphthae
(K12.1) Other forms of stomatitis
(K12.2) Cellulitis and abscess of mouth
- (K12.0) Recurrent oral aphthae
- (K12.1) Other forms of stomatitis
- (K12.2) Cellulitis and abscess of mouth
- (K13) Other diseases of lip and oral mucosa
(K13.0) Diseases of lips
Cheilitis
Cheilodynia
Cheilosis
Perleche NEC
(K13.1) Cheek and lip biting
(K13.2) Leukoplakia and other disturbances of oral epithelium, including tongue
Erythroplakia
(K13.3) Hairy leukoplakia
(K13.4) Granuloma and granuloma-like lesions of oral mucosa
Verrucous xanthoma
(K13.5) Oral submucous fibrosis
(K13.6) Irritative hyperplasia of oral mucosa
(K13.7) Other and unspecified lesions of oral mucosa
- (K13.0) Diseases of lips
Cheilitis
Cheilodynia
Cheilosis
Perleche NEC
- Cheilitis
- Cheilodynia
- Cheilosis
- Perleche NEC
- (K13.1) Cheek and lip biting
- (K13.2) Leukoplakia and other disturbances of oral epithelium, including tongue
Erythroplakia
- Erythroplakia
- (K13.3) Hairy leukoplakia
- (K13.4) Granuloma and granuloma-like lesions of oral mucosa
Verrucous xanthoma
- Verrucous xanthoma
- (K13.5) Oral submucous fibrosis
- (K13.6) Irritative hyperplasia of oral mucosa
- (K13.7) Other and unspecified lesions of oral mucosa
- (K14) Diseases of tongue
(K14.0) Glossitis
(K14.1) Geographic tongue
(K14.2) Median rhomboid glossitis
(K14.3) Hypertrophy of tongue papillae
Black hairy tongue
(K14.4) Atrophy of tongue papillae
(K14.5) Plicated tongue
Fissured tongue
(K14.6) Glossodynia
(K14.8) Other diseases of tongue
(K14.9) Disease of tongue, unspecified
- (K14.0) Glossitis
- (K14.1) Geographic tongue
- (K14.2) Median rhomboid glossitis
- (K14.3) Hypertrophy of tongue papillae
Black hairy tongue
- Black hairy tongue
- (K14.4) Atrophy of tongue papillae
- (K14.5) Plicated tongue
Fissured tongue
- Fissured tongue
- (K14.6) Glossodynia
- (K14.8) Other diseases of tongue
- (K14.9) Disease of tongue, unspecified

## (K20-K31) Diseases of oesophagus, stomach and duodenum
- (K20) Oesophagitis
- (K21) Gastro-oesophageal reflux disease
- (K22) Other diseases of oesophagus
(K22.0) Achalasia of cardia
(K22.1) Ulcer of oesophagus
(K22.2) Oesophageal obstruction
(K22.3) Perforation of oesophagus
(K22.4) Dyskinesia of oesophagus
(K22.5) Diverticulum of oesophagus, acquired
(K22.6) Gastro-oesophageal laceration-haemorrhage syndrome
(K22.7) Barrett's oesophagus
(K22.8) Other specified diseases of oesophagus
(K22.9) Disease of oesophagus, unspecified
- (K22.0) Achalasia of cardia
- (K22.1) Ulcer of oesophagus
- (K22.2) Oesophageal obstruction
- (K22.3) Perforation of oesophagus
- (K22.4) Dyskinesia of oesophagus
- (K22.5) Diverticulum of oesophagus, acquired
- (K22.6) Gastro-oesophageal laceration-haemorrhage syndrome
- (K22.7) Barrett's oesophagus
- (K22.8) Other specified diseases of oesophagus
- (K22.9) Disease of oesophagus, unspecified
- (K23) Disorders of oesophagus in diseases classified elsewhere
- (K25) Gastric ulcer
- (K26) Duodenal ulcer
- (K27) Peptic ulcer, site unspecified
- (K28) Gastrojejunal ulcer
- (K29) Gastritis and duodenitis
- (K30) Dyspepsia
- (K31) Other diseases of stomach and duodenum
(K31.0) Acute dilatation of stomach
(K31.1) Adult hypertrophic pyloric stenosis
(K31.2) Hourglass stricture and stenosis of stomach
(K31.3) Pylorospasm, not elsewhere classified
(K31.4) Gastric diverticulum
(K31.5) Obstruction of duodenum
(K31.6) Fistula of stomach and duodenum
(K31.7) Polyp of stomach and duodenum
(K31.8) Other specified diseases of stomach and duodenum
Achlorhydria
Gastroptosis
Hourglass contraction of stomach
(K31.9) Disease of stomach and duodenum, unspecified
- (K31.0) Acute dilatation of stomach
- (K31.1) Adult hypertrophic pyloric stenosis
- (K31.2) Hourglass stricture and stenosis of stomach
- (K31.3) Pylorospasm, not elsewhere classified
- (K31.4) Gastric diverticulum
- (K31.5) Obstruction of duodenum
- (K31.6) Fistula of stomach and duodenum
- (K31.7) Polyp of stomach and duodenum
- (K31.8) Other specified diseases of stomach and duodenum
Achlorhydria
Gastroptosis
Hourglass contraction of stomach
- Achlorhydria
- Gastroptosis
- Hourglass contraction of stomach
- (K31.9) Disease of stomach and duodenum, unspecified

## (K35-K38) Diseases of appendix
- (K35) Acute appendicitis
(K35.0) Acute appendicitis with generalized peritonitis
(K35.1) Acute appendicitis with peritoneal abscess
(K35.9) Acute appendicitis, unspecified
- (K35.0) Acute appendicitis with generalized peritonitis
- (K35.1) Acute appendicitis with peritoneal abscess
- (K35.9) Acute appendicitis, unspecified
- (K36) Other appendicitis
- (K37) Unspecified appendicitis
- (K38) Other diseases of appendix
(K38.0) Hyperplasia of appendix
(K38.1) Appendicular concretions
Faecalith
Stercolith
(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
- (K38.0) Hyperplasia of appendix
- (K38.1) Appendicular concretions
Faecalith
Stercolith
- Faecalith
- Stercolith
- (K38.2) Diverticulum of appendix
- (K38.3) Fistula of appendix
- (K38.8) Other specified diseases of appendix
Intussusception of appendix
- Intussusception of appendix
- (K38.9) Disease of appendix, unspecified

## (K40-K46) Hernia
- (K40) Inguinal hernia
- (K41) Femoral hernia
- (K42) Umbilical hernia
- (K43) Ventral hernia
- (K44) Diaphragmatic hernia
- (K45) Other abdominal hernia
Lumbar hernia
- Lumbar hernia
- (K46) Unspecified abdominal hernia

## (K50-K52) Noninfective enteritis and colitis
- (K50) Crohn's disease (regional enteritis)
- (K51) Ulcerative colitis
- (K52) Other noninfective gastroenteritis and colitis

## (K55-K63) Other diseases of intestines
- (K55) Vascular disorders of intestine
- (K56) Paralytic ileus and intestinal obstruction without hernia
(K56.0) Paralytic ileus
(K56.1) Intussusception
(K56.2) Volvulus
(K56.3) Gallstone ileus
(K56.4) Other impaction of intestine
(K56.5) Intestinal adhesions (bands) with obstruction
(K56.6) Other and unspecified intestinal obstruction
(K56.7) Ileus, unspecified
- (K56.0) Paralytic ileus
- (K56.1) Intussusception
- (K56.2) Volvulus
- (K56.3) Gallstone ileus
- (K56.4) Other impaction of intestine
- (K56.5) Intestinal adhesions (bands) with obstruction
- (K56.6) Other and unspecified intestinal obstruction
- (K56.7) Ileus, unspecified
- (K57) Diverticular disease of intestine
(K57.0) Diverticular disease of small intestine with perforation and abscess
(K57.1) Diverticular disease of small intestine without perforation or abscess
(K57.2) Diverticular disease of large intestine with perforation and abscess
(K57.3) Diverticular disease of large intestine without perforation or abscess
(K57.4) Diverticular disease of both small and large intestine with perforation and abscess
(K57.5) Diverticular disease of both small and large intestine without perforation or abscess
(K57.8) Diverticular disease of intestine, part unspecified, with perforation and abscess
(K57.9) Diverticular disease of intestine, part unspecified, without perforation or abscess
- (K57.0) Diverticular disease of small intestine with perforation and abscess
- (K57.1) Diverticular disease of small intestine without perforation or abscess
- (K57.2) Diverticular disease of large intestine with perforation and abscess
- (K57.3) Diverticular disease of large intestine without perforation or abscess
- (K57.4) Diverticular disease of both small and large intestine with perforation and abscess
- (K57.5) Diverticular disease of both small and large intestine without perforation or abscess
- (K57.8) Diverticular disease of intestine, part unspecified, with perforation and abscess
- (K57.9) Diverticular disease of intestine, part unspecified, without perforation or abscess
- (K58) Irritable bowel syndrome
- (K59) Other functional intestinal disorders
(K59.0) Constipation
(K59.1) Functional diarrhoea
(K59.2) Neurogenic bowel, not elsewhere classified
(K59.3) Megacolon, not elsewhere classified
Toxic megacolon
(K59.4) Anal spasm
(K59.8) Other specified functional intestinal disorders
(K59.9) Functional intestinal disorder, unspecified
- (K59.0) Constipation
- (K59.1) Functional diarrhoea
- (K59.2) Neurogenic bowel, not elsewhere classified
- (K59.3) Megacolon, not elsewhere classified
Toxic megacolon
- Toxic megacolon
- (K59.4) Anal spasm
- (K59.8) Other specified functional intestinal disorders
- (K59.9) Functional intestinal disorder, unspecified
- (K60) Fissure and fistula of anal and rectal regions
(K60.0) Acute anal fissure
(K60.1) Chronic anal fissure
(K60.2) Anal fissure, unspecified
(K60.3) Anal fistula
(K60.4) Rectal fistula
(K60.5) Anorectal fistula
- (K60.0) Acute anal fissure
- (K60.1) Chronic anal fissure
- (K60.2) Anal fissure, unspecified
- (K60.3) Anal fistula
- (K60.4) Rectal fistula
- (K60.5) Anorectal fistula
- (K61) Abscess of anal and rectal regions
(K61.0) Anal abscess
- (K61.0) Anal abscess
- (K62) Other diseases of anus and rectum
(K62.2) Anal prolapse
(K62.3) Rectal prolapse
- (K62.2) Anal prolapse
- (K62.3) Rectal prolapse
- (K63) Other diseases of intestine

## (K65-K67) Diseases of peritoneum
- (K65) Peritonitis
- (K66) Other disorders of peritoneum
- (K67) Disorders of peritoneum in infectious diseases classified elsewhere

## (K70-K77) Diseases of liver
- (K70) Alcoholic liver disease
(K70.0) Alcoholic fatty liver
(K70.1) Alcoholic hepatitis
(K70.2) Alcoholic fibrosis and sclerosis of liver
(K70.3) Alcoholic cirrhosis of liver
(K70.4) Alcoholic hepatic failure
(K70.9) Alcoholic liver disease, unspecified
- (K70.0) Alcoholic fatty liver
- (K70.1) Alcoholic hepatitis
- (K70.2) Alcoholic fibrosis and sclerosis of liver
- (K70.3) Alcoholic cirrhosis of liver
- (K70.4) Alcoholic hepatic failure
- (K70.9) Alcoholic liver disease, unspecified
- (K71) Toxic liver disease
(K71.0) Toxic liver disease with cholestasis
(K71.1) Toxic liver disease with hepatic necrosis
(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 hepatitis
(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
(K71.9) Toxic liver disease, unspecified
- (K71.0) Toxic liver disease with cholestasis
- (K71.1) Toxic liver disease with hepatic necrosis
- (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 hepatitis
- (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
- (K71.9) Toxic liver disease, unspecified
- (K72) Hepatic failure, not elsewhere classified
- (K73) Chronic hepatitis, not elsewhere classified
- (K74) Fibrosis and cirrhosis of liver
(K74.0) Hepatic fibrosis
(K74.1) Hepatic sclerosis
(K74.2) Hepatic fibrosis with hepatic sclerosis
(K74.3) Primary biliary cirrhosis
(K74.4) Secondary biliary cirrhosis
(K74.5) Biliary cirrhosis, unspecified
(K74.6) Other and unspecified cirrhosis of liver
- (K74.0) Hepatic fibrosis
- (K74.1) Hepatic sclerosis
- (K74.2) Hepatic fibrosis with hepatic sclerosis
- (K74.3) Primary biliary cirrhosis
- (K74.4) Secondary biliary cirrhosis
- (K74.5) Biliary cirrhosis, unspecified
- (K74.6) Other and unspecified cirrhosis of liver
- (K75) Other inflammatory liver diseases
(K75.0) Abscess of liver
(K75.1) Phlebitis of portal vein
(K75.2) Nonspecific reactive hepatitis
(K75.3) Granulomatous hepatitis, not elsewhere classified
(K75.4) Autoimmune hepatitis
(K75.8) Other specified inflammatory liver diseases
(K75.9) Inflammatory liver disease, unspecified
Hepatitis NOS
- (K75.0) Abscess of liver
- (K75.1) Phlebitis of portal vein
- (K75.2) Nonspecific reactive hepatitis
- (K75.3) Granulomatous hepatitis, not elsewhere classified
- (K75.4) Autoimmune hepatitis
- (K75.8) Other specified inflammatory liver diseases
- (K75.9) Inflammatory liver disease, unspecified
Hepatitis NOS
- Hepatitis NOS
- (K76) Other diseases of liver
(K76.0) Fatty (change of) liver, not elsewhere classified
(K76.1) Chronic passive congestion of liver
(K76.2) Central haemorrhagic necrosis of liver
(K76.3) Infarction of liver
(K76.4) Peliosis hepatis
(K76.5) Hepatic veno-occlusive disease
(K76.6) Portal hypertension
(K76.7) Hepatorenal syndrome
(K76.8) Other specified diseases of liver
(K76.9) Liver disease, unspecified
- (K76.0) Fatty (change of) liver, not elsewhere classified
- (K76.1) Chronic passive congestion of liver
- (K76.2) Central haemorrhagic necrosis of liver
- (K76.3) Infarction of liver
- (K76.4) Peliosis hepatis
- (K76.5) Hepatic veno-occlusive disease
- (K76.6) Portal hypertension
- (K76.7) Hepatorenal syndrome
- (K76.8) Other specified diseases of liver
- (K76.9) Liver disease, unspecified
- (K77) Liver disorders in diseases classified elsewhere

## (K80-K87) Disorders of gallbladder, biliary tract and pancreas
- (K80) Cholelithiasis
(K80.0) Calculus of gallbladder with acute cholecystitis
(K80.1) Calculus of gallbladder with other cholecystitis
(K80.2) Calculus of gallbladder without cholecystitis
(K80.3) Calculus of bile duct with cholangitis
(K80.4) Calculus of bile duct with cholecystitis
(K80.5) Calculus of bile duct without cholangitis or cholecystitis
Choledocholithiasis
(K80.8) Other cholelithiasis
- (K80.0) Calculus of gallbladder with acute cholecystitis
- (K80.1) Calculus of gallbladder with other cholecystitis
- (K80.2) Calculus of gallbladder without cholecystitis
- (K80.3) Calculus of bile duct with cholangitis
- (K80.4) Calculus of bile duct with cholecystitis
- (K80.5) Calculus of bile duct without cholangitis or cholecystitis
Choledocholithiasis
- Choledocholithiasis
- (K80.8) Other cholelithiasis
- (K81) Cholecystitis
- (K82) Other diseases of gallbladder
(K82.0) Obstruction of gallbladder
(K82.1) Hydrops of gallbladder
(K82.2) Perforation of gallbladder
(K82.3) Fistula of gallbladder
(K82.4) Cholesterolosis of gallbladder
Strawberry gallbladder
(K82.8) Other specified diseases of gallbladder
(K82.9) Disease of gallbladder, unspecified
- (K82.0) Obstruction of gallbladder
- (K82.1) Hydrops of gallbladder
- (K82.2) Perforation of gallbladder
- (K82.3) Fistula of gallbladder
- (K82.4) Cholesterolosis of gallbladder
Strawberry gallbladder
- Strawberry gallbladder
- (K82.8) Other specified diseases of gallbladder
- (K82.9) Disease of gallbladder, unspecified
- (K83) Other diseases of biliary tract
(K83.0) Cholangitis
(K83.1) Obstruction of bile duct
(K83.2) Perforation of bile duct
(K83.3) Fistula of bile duct
(K83.4) Spasm of sphincter of Oddi
(K83.5) Biliary cyst
(K83.8) Other specified diseases of biliary tract
(K83.9) Disease of biliary tract, unspecified
- (K83.0) Cholangitis
- (K83.1) Obstruction of bile duct
- (K83.2) Perforation of bile duct
- (K83.3) Fistula of bile duct
- (K83.4) Spasm of sphincter of Oddi
- (K83.5) Biliary cyst
- (K83.8) Other specified diseases of biliary tract
- (K83.9) Disease of biliary tract, unspecified
- (K85) Acute pancreatitis
- (K86) Other diseases of pancreas
(K86.0) Alcohol-induced chronic pancreatitis
(K86.1) Other chronic pancreatitis
(K86.2) Cyst of pancreas
(K86.3) Pseudocyst of pancreas
(K86.8) Other specified diseases of pancreas
(K86.9) Disease of pancreas, unspecified
- (K86.0) Alcohol-induced chronic pancreatitis
- (K86.1) Other chronic pancreatitis
- (K86.2) Cyst of pancreas
- (K86.3) Pseudocyst of pancreas
- (K86.8) Other specified diseases of pancreas
- (K86.9) Disease of pancreas, unspecified
- (K87) Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere

## (K90-K93) Other diseases of the digestive system
- (K90) Intestinal malabsorption
(K90.0) Coeliac disease
(K90.1) Tropical sprue
- (K90.0) Coeliac disease
- (K90.1) Tropical sprue
- (K91) Postprocedural disorders of digestive system, not elsewhere classified
- (K92) Other diseases of digestive system
(K92.0) Haematemesis
(K92.1) Melaena
(K92.2) Gastrointestinal haemorrhage, unspecified
(K92.8) Other specified diseases of digestive system
(K92.9) Disease of digestive system, unspecified
- (K92.0) Haematemesis
- (K92.1) Melaena
- (K92.2) Gastrointestinal haemorrhage, unspecified
- (K92.8) Other specified diseases of digestive system
- (K92.9) Disease of digestive system, unspecified
- (K93) Disorders of other digestive organs in diseases classified elsewhere