L05: Pilonidal cyst and sinus
Codes under L05 (Pilonidal cyst and sinus). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| L05.0 | Pilonidal cyst and sinus with abscess | — |
| L05.0 | Pilonidal cyst and sinus with abscess | — |
| L05.01 | Pilonidal cyst with abscess | ✓ |
| L05.01 | Pilonidal cyst with abscess | ✓ |
| L05.02 | Pilonidal sinus with abscess | ✓ |
| L05.02 | Pilonidal sinus with abscess | ✓ |
| L05.9 | Pilonidal cyst and sinus without abscess | — |
| L05.9 | Pilonidal cyst and sinus without abscess | — |
| L05.91 | Pilonidal cyst without abscess | ✓ |
| L05.91 | Pilonidal cyst without abscess | ✓ |
| L05.92 | Pilonidal sinus without abscess | ✓ |
| L05.92 | Pilonidal sinus without abscess | ✓ |
Frequently asked questions
What is ICD-10-CM code L05?
L05 is an ICD-10-CM category covering Pilonidal cyst and sinus. It contains 12 more specific diagnosis codes, 8 of which are billable.
Is L05 a billable code?
No — L05 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 L05.0 — Pilonidal cyst and sinus with abscess). 8 of the 12 codes under L05 are billable.
What codes fall under L05?
L05 includes L05.0, L05.0, L05.01, L05.01, L05.02, plus 7 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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