K63.2
Fistula of intestine
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 15 never code together
K63.2code
Excludes1
- fistula of duodenum (K31.6)K31.6K31.6
- fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,)K50.013K50.013K50.113K50.113K50.813K50.813K50.913K50.913
- fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813, K51.913)K51.013K51.013K51.213K51.213K51.313K51.313K51.413K51.413K51.513K51.513K51.813K51.813K51.913K51.913
Excludes2
- fistula of anal and rectal regions (K60.-)K60.-K60.-
- fistula of appendix (K38.3)K38.3K38.3
- intestinal-genital fistula, female (N82.2-N82.4)N82.2-N82.4N82.2-N82.4
- vesicointestinal fistula (N32.1)N32.1N32.1
K00-K95chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 1
Index entries leading here 1
- Fistula (cutaneous) L98.8
- abdomen (wall) K63.2
- intestine NEC K63.2
- abdominorectal K63.2
- abdominosigmoidal K63.2
- cecosigmoidal K63.2
- cecum K63.2
- colon K63.2
- enterocolic K63.2
- enterocutaneous K63.2
- fecal K63.2
- ileorectal or ileosigmoidal K63.2
- ileum K63.2
- intestine NEC K63.2
- intestinocolonic (abdominal) K63.2
- jejunum K63.2
- pericecal K63.2
- perineosigmoidal K63.2
- rectosigmoid (intercommunicating) K63.2
- sigmoid K63.2
- stercoral K63.2
- abdomen (wall) K63.2
Alongside this code 7 same parent — K63
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.