L59: Other disorders of skin and subcutaneous tissue related to radiation
Codes under L59 (Other disorders of skin and subcutaneous tissue related to radiation). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| L59.0 | Erythema ab igne [dermatitis ab igne] | ✓ |
| L59.0 | Erythema ab igne [dermatitis ab igne] | ✓ |
| L59.8 | Other specified disorders of the skin and subcutaneous tissue related to radiation | ✓ |
| L59.8 | Other specified disorders of the skin and subcutaneous tissue related to radiation | ✓ |
| L59.9 | Disorder of the skin and subcutaneous tissue related to radiation, unspecified | ✓ |
| L59.9 | Disorder of the skin and subcutaneous tissue related to radiation, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code L59?
L59 is an ICD-10-CM category covering Other disorders of skin and subcutaneous tissue related to radiation. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is L59 a billable code?
No — L59 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 L59.0 — Erythema ab igne [dermatitis ab igne]). 6 of the 6 codes under L59 are billable.
What codes fall under L59?
L59 includes L59.0, L59.0, L59.8, L59.8, L59.9, plus 1 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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