ICD-10-CM Q43.6: Congenital fistula of rectum and anus

ICD-10-CM Diagnosis Code (2025)

Official Description for Q43.6

Congenital fistula of rectum and anus

Coding Notes & Guidelines for 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)
  • pilonidal fistula or sinus (L05.-)

Parent Code (Less Specific):

About ICD-10-CM Code Q43.6 (Congenital fistula of rectum and anus)

ICD-10-CM code Q43.6 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q43.6 became effective on October 1, 2024.

This page provides detailed information about Q43.6 - Congenital fistula of rectum and anus. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Congenital fistula of rectum and anus.