ICD-10 L85
Non-Billable HeaderOther epidermal thickening
About ICD-10-CM L85
ICD-10-CM code L85 represents Other epidermal thickening. This is a non-billable header code in the Skin and Subcutaneous Tissue chapter (block L85). The 2026 edition of ICD-10-CM L85 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 2 Excludes
Not included here, the excluded code is not part of L85, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- hypertrophic disorders of the skin (L91.-)
Medicare LCD Coverage for L85
Local Coverage Determinations (LCDs) from CMS MACs that list L85 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L85.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but L85 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with L85
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.
Codes Adjacent To L85
Other codes in section L80-L99 (Other disorders of the skin and subcutaneous tissue).
ICD-10 L85, Billing FAQ
Is ICD-10 code L85 billable? +
No, L85 is a non-billable header code. Use a more specific child code from block L85 when submitting claims.
What codes are Type 2 Excludes for L85? +
Type 2 Excludes (may be coded together when both conditions exist): hypertrophic disorders of the skin (L91.-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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