ICD-10 L56.4
Billable / SpecificPolymorphous light eruption
About ICD-10-CM L56.4
ICD-10-CM code L56.4 represents Polymorphous light eruption. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L56). The 2026 edition of ICD-10-CM L56.4 became effective on October 1, 2025.
Medicare LCD Coverage for L56.4
Local Coverage Determinations (LCDs) from CMS MACs that list L56.4 as a covered diagnosis.
Showing top 10 of 114 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L56.4.
5 Medicare
1 Aetna
CPT Codes Commonly Billed with L56.4
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert L56.4 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| L56.4 | 69282 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L56.4
Other codes in section L55-L59 (Radiation-related disorders of the skin and subcutaneous tissue).
ICD-10 L56.4, Billing FAQ
Is ICD-10 code L56.4 billable? +
Yes, L56.4 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does L56.4 map to? +
Per CMS GEMs, L56.4 maps to ICD-9 codes: 69282. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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