L56: Other acute skin changes due to ultraviolet radiation
Codes under L56 (Other acute skin changes due to ultraviolet radiation). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| L56.0 | Drug phototoxic response | ✓ |
| L56.0 | Drug phototoxic response | ✓ |
| L56.1 | Drug photoallergic response | ✓ |
| L56.1 | Drug photoallergic response | ✓ |
| L56.2 | Photocontact dermatitis [berloque dermatitis] | ✓ |
| L56.2 | Photocontact dermatitis [berloque dermatitis] | ✓ |
| L56.3 | Solar urticaria | ✓ |
| L56.3 | Solar urticaria | ✓ |
| L56.4 | Polymorphous light eruption | ✓ |
| L56.4 | Polymorphous light eruption | ✓ |
| L56.5 | Disseminated superficial actinic porokeratosis (DSAP) | ✓ |
| L56.5 | Disseminated superficial actinic porokeratosis (DSAP) | ✓ |
| L56.8 | Other specified acute skin changes due to ultraviolet radiation | ✓ |
| L56.8 | Other specified acute skin changes due to ultraviolet radiation | ✓ |
| L56.9 | Acute skin change due to ultraviolet radiation, unspecified | ✓ |
| L56.9 | Acute skin change due to ultraviolet radiation, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code L56?
L56 is an ICD-10-CM category covering Other acute skin changes due to ultraviolet radiation. It contains 16 more specific diagnosis codes, 16 of which are billable.
Is L56 a billable code?
No — L56 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 L56.0 — Drug phototoxic response). 16 of the 16 codes under L56 are billable.
What codes fall under L56?
L56 includes L56.0, L56.0, L56.1, L56.1, L56.2, 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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