Anal fistula, complex

congenital fistula (Q43.6)

• , if applicable:
• Crohn's disease (K50.-)
• ulcerative colitis (K51.-)

• 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)

• abscess or cellulitis of anal and rectal regions (K61.-)
• anal sphincter tear (healed) (nontraumatic) (old) (K62.81)