Chapter 11: Diseases of the digestive system (K00-K95)
This chapter of the ICD-10-CM classification covers diagnosis codes from K00 through K95. Browse the sections below to find specific diagnosis codes within this chapter.
Chapter Notes
Excludes2 (not included here):
- 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)
Sections
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K00-K14 Diseases of oral cavity and salivary glands (K00-K14)251 codes
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K20-K31 Diseases of esophagus, stomach and duodenum (K20-K31)135 codes
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K35-K38 Diseases of appendix (K35-K38)29 codes
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K40-K46 Hernia (K40-K46)64 codes
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K50-K52 Noninfective enteritis and colitis (K50-K52)119 codes
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K55-K64 Other diseases of intestines (K55-K64)206 codes
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K65-K68 Diseases of peritoneum and retroperitoneum (K65-K68)22 codes
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K70-K77 Diseases of liver (K70-K77)82 codes
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K80-K87 Disorders of gallbladder, biliary tract and pancreas (K80-K87)112 codes
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K90-K95 Other diseases of the digestive system (K90-K95)89 codes
Top-Level Codes in This Chapter
- K00 Disorders of tooth development and eruption
- K01 Embedded and impacted teeth
- K02 Dental caries
- K03 Other diseases of hard tissues of teeth
- K04 Diseases of pulp and periapical tissues
- K05 Gingivitis and periodontal diseases
- K06 Other disorders of gingiva and edentulous alveolar ridge
- K08 Other disorders of teeth and supporting structures
- K09 Cysts of oral region, not elsewhere classified
- K11 Diseases of salivary glands
- K12 Stomatitis and related lesions
- K13 Other diseases of lip and oral mucosa
- K14 Diseases of tongue
- K20 Esophagitis
- K21 Gastro-esophageal reflux disease
- K22 Other diseases of esophagus
- K23 Disorders of esophagus in diseases classified elsewhere Billable
- K25 Gastric ulcer
- K26 Duodenal ulcer
- K27 Peptic ulcer, site unspecified
- K28 Gastrojejunal ulcer
- K29 Gastritis and duodenitis
- K30 Functional dyspepsia Billable
- K31 Other diseases of stomach and duodenum
- K35 Acute appendicitis
- K36 Other appendicitis Billable
- K37 Unspecified appendicitis Billable
- K38 Other diseases of appendix
- K40 Inguinal hernia
- K41 Femoral hernia
- K42 Umbilical hernia
- K43 Ventral hernia
- K44 Diaphragmatic hernia
- K45 Other abdominal hernia
- K46 Unspecified abdominal hernia
- K50 Crohn's disease [regional enteritis]
- K51 Ulcerative colitis
- K52 Other and unspecified noninfective gastroenteritis and colitis
- K55 Vascular disorders of intestine
- K56 Paralytic ileus and intestinal obstruction without hernia
- K57 Diverticular disease of intestine
- K58 Irritable bowel syndrome
- K59 Other functional intestinal disorders
- K60 Fissure and fistula of anal and rectal regions
- K61 Abscess of anal and rectal regions
- K62 Other diseases of anus and rectum
- K63 Other diseases of intestine
- K64 Hemorrhoids and perianal venous thrombosis
- K65 Peritonitis
- K66 Other disorders of peritoneum
- K67 Disorders of peritoneum in infectious diseases classified elsewhere Billable
- K68 Disorders of retroperitoneum
- K70 Alcoholic liver disease
- K71 Toxic liver disease
- K72 Hepatic failure, not elsewhere classified
- K73 Chronic hepatitis, not elsewhere classified
- K74 Fibrosis and cirrhosis of liver
- K75 Other inflammatory liver diseases
- K76 Other diseases of liver
- K77 Liver disorders in diseases classified elsewhere Billable
- K80 Cholelithiasis
- K81 Cholecystitis
- K82 Other diseases of gallbladder
- K83 Other diseases of biliary tract
- K85 Acute pancreatitis
- K86 Other diseases of pancreas
- K87 Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere Billable
- K90 Intestinal malabsorption
- K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
- K92 Other diseases of digestive system
- K94 Complications of artificial openings of the digestive system
- K95 Complications of bariatric procedures
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