ICD-10-CM · Chapter 11 · K00-K95
Diseases of the digestive system
72 categories
Category titles are WHO ICD-10 titles for the same three characters; open a category for the ICD-10-CM codes in it.
- K00Disorders of tooth development and eruption10 codes
- K01Embedded and impacted teeth2 codes
- K02Dental caries9 codes
- K03Other diseases of hard tissues of teeth11 codes
- K04Diseases of pulp and periapical tissues12 codes
- K05Gingivitis and periodontal diseases25 codes
- K06Other disorders of gingiva and edentulous alveolar ridge13 codes
- K08Other disorders of teeth and supporting structures73 codes
- K09Cysts of oral region, not elsewhere classified4 codes
- K11Diseases of salivary glands13 codes
- K12Stomatitis and related lesions8 codes
- K13Other diseases of lip and oral mucosa13 codes
- K14Diseases of tongue9 codes
- K20Oesophagitis5 codes
- K21Gastro-oesophageal reflux disease3 codes
- K22Other diseases of oesophagus16 codes
- K23Disorders of oesophagus in diseases classified elsewhere1 codes
- K25Gastric ulcer9 codes
- K26Duodenal ulcer9 codes
- K27Peptic ulcer, site unspecified9 codes
- K28Gastrojejunal ulcer9 codes
- K29Gastritis and duodenitis18 codes
- K30Functional dyspepsia1 codes
- K31Other diseases of stomach and duodenum25 codes
- K35Acute appendicitis13 codes
- K36Other appendicitis1 codes
- K37Unspecified appendicitis1 codes
- K38Other diseases of appendix6 codes
- K40Inguinal hernia12 codes
- K41Femoral hernia12 codes
- K42Umbilical hernia3 codes
- K43Ventral hernia9 codes
- K44Diaphragmatic hernia3 codes
- K45Other abdominal hernia3 codes
- K46Unspecified abdominal hernia3 codes
- K50Crohn disease [regional enteritis]28 codes
- K51Ulcerative colitis49 codes
- K52Other noninfective gastroenteritis and colitis14 codes
- K55Vascular disorders of intestine27 codes
- K56Paralytic ileus and intestinal obstruction without hernia16 codes
- K57Diverticular disease of intestine24 codes
- K58Irritable bowel syndrome5 codes
- K59Other functional intestinal disorders14 codes
- K60Fissure and fistula of anal and rectal regions30 codes
- K61Abscess of anal and rectal regions7 codes
- K62Other diseases of anus and rectum12 codes
- K63Other diseases of intestine14 codes
- K64Haemorrhoids and perianal venous thrombosis8 codes
- K65Peritonitis7 codes
- K66Other disorders of peritoneum4 codes
- K67Disorders of peritoneum in infectious diseases classified elsewhere1 codes
- K68Postprocedural retroperitoneal abscess6 codes
- K70Alcoholic liver disease9 codes
- K71Toxic liver disease12 codes
- K72Hepatic failure, not elsewhere classified6 codes
- K73Chronic hepatitis, not elsewhere classified5 codes
- K74Fibrosis and cirrhosis of liver10 codes
- K75Other inflammatory liver diseases8 codes
- K76Other diseases of liver12 codes
- K77Liver disorders in diseases classified elsewhere1 codes
- K80Cholelithiasis40 codes
- K81Cholecystitis4 codes
- K82Other diseases of gallbladder9 codes
- K83Other diseases of biliary tract9 codes
- K85Acute pancreatitis18 codes
- K86Other diseases of pancreas7 codes
- K87Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere1 codes
- K90Intestinal malabsorption13 codes
- K91Postprocedural disorders of digestive system, not elsewhere classified24 codes
- K92Other diseases of digestive system6 codes
- K94Colostomy complication, unspecified20 codes
- K95Infection due to gastric band procedure4 codes
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free