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Q43.6

Billable

Congenital fistula of rectum and anus

Q43.6 is the ICD-10-CM code for Congenital fistula of rectum and anus. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Q00-Q99
Parent
Q43
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Excludes1 — not coded here

  • •congenital fistula of anus with absence, atresia and stenosis (Q42.2)
  • •congenital fistula of rectum with absence, atresia and stenosis (Q42.0)
  • •congenital rectovaginal fistula (Q52.2)
  • •congenital urethrorectal fistula (Q64.73)
  • •pilonidal fistula or sinus (L05.-)

Frequently asked questions

What is ICD-10 code Q43.6?
Q43.6 is the ICD-10-CM code for "Congenital fistula of rectum and anus". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q43.6 a billable code?
Yes — Q43.6 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from Q43.6?
Excludes1 (not coded here): congenital fistula of anus with absence, atresia and stenosis (Q42.2); congenital fistula of rectum with absence, atresia and stenosis (Q42.0); congenital rectovaginal fistula (Q52.2); congenital urethrorectal fistula (Q64.73).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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