ICD-10 L53.9
Billable / SpecificErythematous condition, unspecified
About ICD-10-CM L53.9
ICD-10-CM code L53.9 represents Erythematous condition, unspecified. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L53). The 2026 edition of ICD-10-CM L53.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under L53.9. Per CMS ICD-10-CM Tabular 2026.
- Erythema NOS
- Erythroderma NOS
Medicare LCD Coverage for L53.9
Local Coverage Determinations (LCDs) from CMS MACs that list L53.9 as a covered diagnosis.
Showing top 10 of 54 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L53.9.
3 Medicare
1 Aetna
CPT Codes Commonly Billed with L53.9
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 L53.9 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 |
|---|---|---|
| L53.9 | 6959 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L53.9
Other codes in section L49-L54 (Urticaria and erythema).
ICD-10 L53.9, Billing FAQ
Is ICD-10 code L53.9 billable? +
Yes, L53.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to L53.9? +
ICD-10 L53.9 includes: Erythema NOS; Erythroderma NOS.
What ICD-9 codes does L53.9 map to? +
Per CMS GEMs, L53.9 maps to ICD-9 codes: 6959. 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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