Q43.6
✓ Billable
Congenital fistula of rectum and anus
ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities
Code
Q43.6
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Congenital Malformations, Deformations and Chromosomal Abnormalities
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Q43.6?
ICD-10-CM code Q43.6 represents Congenital fistula of rectum and anus. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.
Is Q43.6 billable?
Yes. Q43.6 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Q43.6 in?
Q43.6 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.
Related codes in the Q43 category
Q43
Other congenital malformations of intestine
Non-billable
Q43.0
Meckel's diverticulum (displaced) (hypertrophic)
Billable
Q43.1
Hirschsprung's disease
Billable
Q43.2
Other congenital functional disorders of colon
Billable
Q43.3
Congenital malformations of intestinal fixation
Billable
Q43.4
Duplication of intestine
Billable
Q43.5
Ectopic anus
Billable
Q43.7
Persistent cloaca
Billable
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