ICD-10 L40.4
Billable / SpecificGuttate psoriasis
About ICD-10-CM L40.4
ICD-10-CM code L40.4 represents Guttate psoriasis. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L40). The 2026 edition of ICD-10-CM L40.4 became effective on October 1, 2025.
Medicare LCD Coverage for L40.4
Local Coverage Determinations (LCDs) from CMS MACs that list L40.4 as a covered diagnosis.
Showing top 10 of 44 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L40.4.
5 Medicare
CPT Codes Commonly Billed with L40.4
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 96910 Phototherapy UVB — psoriasis, guttate psoriasis, psoriasis unspecified, atopic dermatitis, prurigo, dermatitis, lichen planus Dermatology
- 11732 CMS LCD: Billing and Coding: Surgical Treatment of Nails CMS LCD
- 11765 CMS LCD: Billing and Coding: Surgical Treatment of Nails CMS LCD
- 11750 CMS LCD: Billing and Coding: Surgical Treatment of Nails CMS LCD
Convert L40.4 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 |
|---|---|---|
| L40.4 | 6961 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L40.4
Other codes in section L40-L45 (Papulosquamous disorders).
ICD-10 L40.4, Billing FAQ
Is ICD-10 code L40.4 billable? +
Yes, L40.4 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with L40.4? +
Procedures frequently paired with L40.4 include: 96910, 11732, 11765, 11750.
What ICD-9 codes does L40.4 map to? +
Per CMS GEMs, L40.4 maps to ICD-9 codes: 6961. 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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