Specifically for this code:
- 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)
Specifically for this code:
- fistula of anal and rectal regions (K60.-)
- fistula of appendix (K38.3)
- intestinal-genital fistula, female (N82.2-N82.4)
- vesicointestinal fistula (N32.1)
From Chapter 11:
- 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)