Chapter 11: Diseases of the digestive system
K00-K95
Chapter 11 of the ICD-10-CM tabular list covers diseases of the digestive system, codes K00-K95. It holds 1,109 codes across 10 blocks, of which 857 are billable and 252 are header codes that cannot go on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- 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)
Risk adjustment in Chapter 11
178 of this chapter’s codes map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded to the level the record supports.
- HCC 78 Intestinal Obstruction/Perforation
- HCC 81 Ulcerative Colitis
- HCC 80 Crohn's Disease (Regional Enteritis)
- HCC 463 Artificial Openings for Feeding or Elimination
- HCC 65 Chronic Hepatitis
- HCC 63 Chronic Liver Failure/End-Stage Liver Disorders
Blocks in this chapter
- K00-K14Diseases of oral cavity and salivary glands251 codes
- K20-K31Diseases of esophagus, stomach and duodenum135 codes
- K35-K38Diseases of appendix29 codes
- K40-K46Hernia64 codes
- K50-K52Noninfective enteritis and colitis119 codes
- K55-K64Other diseases of intestines206 codes
- K65-K68Diseases of peritoneum and retroperitoneum22 codes
- K70-K77Diseases of liver82 codes
- K80-K87Disorders of gallbladder, biliary tract and pancreas112 codes
- K90-K95Other diseases of the digestive system89 codes