ICD-10 L23.4
Billable / SpecificAllergic contact dermatitis due to dyes
About ICD-10-CM L23.4
ICD-10-CM code L23.4 represents Allergic contact dermatitis due to dyes. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L23). The 2026 edition of ICD-10-CM L23.4 became effective on October 1, 2025.
Medicare LCD Coverage for L23.4
Local Coverage Determinations (LCDs) from CMS MACs that list L23.4 as a covered diagnosis.
Showing top 10 of 175 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L23.4.
5 Medicare
CPT Codes Commonly Billed with L23.4
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 95070 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95052 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95065 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95027 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95018 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 82785 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95017 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95079 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 0178U CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95028 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
Convert L23.4 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 |
|---|---|---|
| L23.4 | 69289 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L23.4
Other codes in section L20-L30 (Dermatitis and eczema).
ICD-10 L23.4, Billing FAQ
Is ICD-10 code L23.4 billable? +
Yes, L23.4 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 L23.4? +
Procedures frequently paired with L23.4 include: 95070, 95052, 95065, 95027, 95018.
What ICD-9 codes does L23.4 map to? +
Per CMS GEMs, L23.4 maps to ICD-9 codes: 69289. 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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