ICD-10 L24.9
Billable / SpecificIrritant contact dermatitis, unspecified cause
About ICD-10-CM L24.9
ICD-10-CM code L24.9 represents Irritant contact dermatitis, unspecified cause. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L24). The 2026 edition of ICD-10-CM L24.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under L24.9. Per CMS ICD-10-CM Tabular 2026.
- Irritant contact eczema NOS
Medicare LCD Coverage for L24.9
Local Coverage Determinations (LCDs) from CMS MACs that list L24.9 as a covered diagnosis.
Showing top 10 of 167 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L24.9.
5 Medicare
CPT Codes Commonly Billed with L24.9
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 L24.9 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 |
|---|---|---|
| L24.9 | 6929 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L24.9
Other codes in section L20-L30 (Dermatitis and eczema).
ICD-10 L24.9, Billing FAQ
Is ICD-10 code L24.9 billable? +
Yes, L24.9 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 L24.9? +
ICD-10 L24.9 includes: Irritant contact eczema NOS.
What ICD-9 codes does L24.9 map to? +
Per CMS GEMs, L24.9 maps to ICD-9 codes: 6929. 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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