L73: Other follicular disorders
Codes under L73 (Other follicular disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| L73.0 | Acne keloid | ✓ |
| L73.0 | Acne keloid | ✓ |
| L73.1 | Pseudofolliculitis barbae | ✓ |
| L73.1 | Pseudofolliculitis barbae | ✓ |
| L73.2 | Hidradenitis suppurativa | ✓ |
| L73.2 | Hidradenitis suppurativa | ✓ |
| L73.8 | Other specified follicular disorders | ✓ |
| L73.8 | Other specified follicular disorders | ✓ |
| L73.9 | Follicular disorder, unspecified | ✓ |
| L73.9 | Follicular disorder, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code L73?
L73 is an ICD-10-CM category covering Other follicular disorders. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is L73 a billable code?
No — L73 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 L73.0 — Acne keloid). 10 of the 10 codes under L73 are billable.
What codes fall under L73?
L73 includes L73.0, L73.0, L73.1, L73.1, L73.2, plus 5 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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