ICD-10 L13.1
Billable / SpecificSubcorneal pustular dermatitis
About ICD-10-CM L13.1
ICD-10-CM code L13.1 represents Subcorneal pustular dermatitis. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L13). The 2026 edition of ICD-10-CM L13.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under L13.1. Per CMS ICD-10-CM Tabular 2026.
- Sneddon-Wilkinson disease
Medicare LCD Coverage for L13.1
Local Coverage Determinations (LCDs) from CMS MACs that list L13.1 as a covered diagnosis.
Showing top 8. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L13.1.
2 Medicare
CPT Codes Commonly Billed with L13.1
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 L13.1 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 |
|---|---|---|
| L13.1 | 6941 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L13.1
Other codes in section L10-L14 (Bullous disorders).
ICD-10 L13.1, Billing FAQ
Is ICD-10 code L13.1 billable? +
Yes, L13.1 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 L13.1? +
ICD-10 L13.1 includes: Sneddon-Wilkinson disease.
What ICD-9 codes does L13.1 map to? +
Per CMS GEMs, L13.1 maps to ICD-9 codes: 6941. 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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