K61: Abscess of anal and rectal regions
Codes under K61 (Abscess of anal and rectal regions). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K61.0 | Anal abscess | ✓ |
| K61.0 | Anal abscess | ✓ |
| K61.1 | Rectal abscess | ✓ |
| K61.1 | Rectal abscess | ✓ |
| K61.2 | Anorectal abscess | ✓ |
| K61.2 | Anorectal abscess | ✓ |
| K61.3 | Ischiorectal abscess | — |
| K61.3 | Ischiorectal abscess | — |
| K61.4 | Intrasphincteric abscess | ✓ |
| K61.4 | Intrasphincteric abscess | ✓ |
| K61.5 | Supralevator abscess | ✓ |
| K61.5 | Supralevator abscess | ✓ |
| K61.31 | Horseshoe abscess | ✓ |
| K61.31 | Horseshoe abscess | ✓ |
| K61.39 | Other ischiorectal abscess | ✓ |
| K61.39 | Other ischiorectal abscess | ✓ |
Frequently asked questions
What is ICD-10-CM code K61?
K61 is an ICD-10-CM category covering Abscess of anal and rectal regions. It contains 16 more specific diagnosis codes, 14 of which are billable.
Is K61 a billable code?
No — K61 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example K61.0 — Anal abscess). 14 of the 16 codes under K61 are billable.
What codes fall under K61?
K61 includes K61.0, K61.0, K61.1, K61.1, K61.2, plus 11 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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