Chapter 11: Diseases of the digestive system
Code range K00-K95 - 73 categories
| Category | Description | Billable codes |
|---|---|---|
K00 | Disorders of tooth development and eruption | 10 |
K01 | Embedded and impacted teeth | 2 |
K02 | Dental caries | 9 |
K03 | Other diseases of hard tissues of teeth | 11 |
K04 | Diseases of pulp and periapical tissues | 12 |
K05 | Gingivitis and periodontal diseases | 25 |
K06 | Other disorders of gingiva and edentulous alveolar ridge | 13 |
K08 | Other disorders of teeth and supporting structures | 73 |
K09 | Cysts of oral region, not elsewhere classified | 4 |
K11 | Diseases of salivary glands | 13 |
K12 | Stomatitis and related lesions | 8 |
K13 | Other diseases of lip and oral mucosa | 13 |
K14 | Diseases of tongue | 9 |
K20 | Esophagitis | 5 |
K21 | Gastro-esophageal reflux disease | 3 |
K22 | Other diseases of esophagus | 16 |
K23 | Disorders of esophagus in diseases classified elsewhere | 1 |
K25 | Gastric ulcer | 9 |
K26 | Duodenal ulcer | 9 |
K27 | Peptic ulcer, site unspecified | 9 |
K28 | Gastrojejunal ulcer | 9 |
K29 | Gastritis and duodenitis | 18 |
K30 | Functional dyspepsia | 1 |
K31 | Other diseases of stomach and duodenum | 26 |
K35 | Acute appendicitis | 13 |
K36 | Other appendicitis | 1 |
K37 | Unspecified appendicitis | 1 |
K38 | Other diseases of appendix | 6 |
K40 | Inguinal hernia | 12 |
K41 | Femoral hernia | 12 |
K42 | Umbilical hernia | 3 |
K43 | Ventral hernia | 9 |
K44 | Diaphragmatic hernia | 3 |
K45 | Other abdominal hernia | 3 |
K46 | Unspecified abdominal hernia | 3 |
K50 | Crohn's disease [regional enteritis] | 28 |
K51 | Ulcerative colitis | 49 |
K52 | Other and unsp noninfective gastroenteritis and colitis | 14 |
K55 | Vascular disorders of intestine | 27 |
K56 | Paralytic ileus and intestinal obstruction without hernia | 16 |
K57 | Diverticular disease of intestine | 24 |
K58 | Irritable bowel syndrome | 5 |
K59 | Other functional intestinal disorders | 14 |
K60 | Fissure and fistula of anal and rectal regions | 30 |
K61 | Abscess of anal and rectal regions | 7 |
K62 | Other diseases of anus and rectum | 12 |
K63 | Other diseases of intestine | 14 |
K64 | Hemorrhoids and perianal venous thrombosis | 8 |
K65 | Peritonitis | 7 |
K66 | Other disorders of peritoneum | 4 |
K67 | Disorders of peritoneum in infectious diseases classified elsewhere | 1 |
K68 | Disorders of retroperitoneum | 6 |
K6A | Diseases of the pelvis, not elsewhere classified | 3 |
K70 | Alcoholic liver disease | 9 |
K71 | Toxic liver disease | 12 |
K72 | Hepatic failure, not elsewhere classified | 6 |
K73 | Chronic hepatitis, not elsewhere classified | 5 |
K74 | Fibrosis and cirrhosis of liver | 11 |
K75 | Other inflammatory liver diseases | 8 |
K76 | Other diseases of liver | 13 |
K77 | Liver disorders in diseases classified elsewhere | 1 |
K80 | Cholelithiasis | 40 |
K81 | Cholecystitis | 4 |
K82 | Other diseases of gallbladder | 9 |
K83 | Other diseases of biliary tract | 9 |
K85 | Acute pancreatitis | 18 |
K86 | Other diseases of pancreas | 7 |
K87 | Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere | 1 |
K90 | Intestinal malabsorption | 13 |
K91 | Intraop and postproc comp and disorders of dgstv sys, NEC | 24 |
K92 | Other diseases of digestive system | 6 |
K94 | Complications of artificial openings of the digestive system | 20 |
K95 | Complications of bariatric procedures | 4 |
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