K60.3 vs Q43.6
K60.3 (Anal fistula) compared with Q43.6 (Congenital fistula of rectum and anus), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. K60.3 carries an Excludes1 note covering Q43.6: “congenital fistula (Q43.6)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| K60.3Anal fistula | Q43.6Congenital fistula of rectum and anus | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Anal fistula is a non-billable ICD-10-CM category code (K60.3). | Congenital fistula of rectum and anus is a billable ICD-10-CM diagnosis code (Q43.6). |
| Code first | , if applicable: Crohn's disease (K50.-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources