K63.2

Fistula of intestine

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · K63.2
Excludes 1

fistula of duodenum (K31.6) fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,) fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813, K51.913)

Excludes 2

fistula of anal and rectal regions (K60.-) fistula of appendix (K38.3) intestinal-genital fistula, female (N82.2-N82.4) vesicointestinal fistula (N32.1)

Code also

, if applicable, disruption of internal operation (surgical) wound (T81.32-)

Inherited from chapter 11Diseases of the digestive system
Excludes 2

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)

Official Guidelines for K63.2

FY 2026 ›