Chapter 11: Diseases of the Digestive System
ICD-10-CM codes K00-K95
Includes GERD, gastritis, peptic ulcers, appendicitis, hernias, Crohn's disease, ulcerative colitis, diverticulitis, liver disease, gallstones, and pancreatitis. GERD (K21) and abdominal pain are among the most common gastrointestinal complaints seen in primary care.
K00-K14
Diseases of Oral Cavity and Salivary Glands
K00Disorders of tooth development and eruption
K01Embedded and impacted teeth
K02Dental caries
K03Other diseases of hard tissues of teeth
K04Diseases of pulp and periapical tissues
K05Gingivitis and periodontal diseases
K06Other disorders of gingiva and edentulous alveolar ridge
K08Other disorders of teeth and supporting structures
K09Cysts of oral region, not elsewhere classified
K11Diseases of salivary glands
K12Stomatitis and related lesions
K13Other diseases of lip and oral mucosa
K14Diseases of tongue
K20-K31
Diseases of Esophagus, Stomach and Duodenum
K20Esophagitis
K21Gastro-esophageal reflux disease
K22Other diseases of esophagus
K23Disorders of esophagus in diseases classified elsewhere
K25Gastric ulcer
K26Duodenal ulcer
K27Peptic ulcer, site unspecified
K28Gastrojejunal ulcer
K29Gastritis and duodenitis
K30Functional dyspepsia
K31Other diseases of stomach and duodenum
K35-K38
Diseases of Appendix
K40-K46
Hernia
K50-K52
Noninfective Enteritis and Colitis
K55-K64
Other Diseases of Intestines
K55Vascular disorders of intestine
K56Paralytic ileus and intestinal obstruction without hernia
K57Diverticular disease of intestine
K58Irritable bowel syndrome
K59Other functional intestinal disorders
K60Fissure and fistula of anal and rectal regions
K61Abscess of anal and rectal regions
K62Other diseases of anus and rectum
K63Other diseases of intestine
K64Hemorrhoids and perianal venous thrombosis
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
Frequently Asked Questions
What ICD-10 codes are in Chapter 11?
Chapter 11: Diseases of the Digestive System covers ICD-10-CM codes K00-K95. It contains 10 code blocks with 72 top-level categories.
What conditions does ICD-10 Chapter 11 cover?
Includes GERD, gastritis, peptic ulcers, appendicitis, hernias, Crohn's disease, ulcerative colitis, diverticulitis, liver disease, gallstones, and pancreatitis. GERD (K21) and abdominal pain are among the most common gastrointestinal complaints seen in primary care. This chapter includes codes from K00-K95.
How many code blocks are in Chapter 11?
Chapter 11 has 10 code 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), and 6 more.
Is there an ICD-11 equivalent of ICD-10 Chapter 11?
ICD-11 reorganizes many chapters compared to ICD-10. Some conditions in Chapter 11 may appear in different ICD-11 chapters. Use the ICD-10 to ICD-11 converter to find specific code equivalents.
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