L51
Non-billableErythema multiforme
L51 is the ICD-10-CM code for Erythema multiforme. It is a non-billable category code — use a more specific child code such as L51.0 for billing.
- Status
- Header (non-billable)
- Chapter
- L00-L99
- Subcodes
- 6
- Edition
- FY2026
L00-L99 Diseases of the skin and subcutaneous tissue
Use additional code
- •code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- •code to identify associated manifestations, such as:
- •arthropathy associated with dermatological disorders (M14.8-)
- •conjunctival edema (H11.42)
- •conjunctivitis (H10.22-)
- •corneal scars and opacities (H17.-)
- •corneal ulcer (H16.0-)
- •edema of eyelid (H02.84-)
- •inflammation of eyelid (H01.8-)
- •keratoconjunctivitis sicca (H16.22-)
- •mechanical lagophthalmos (H02.22-)
- •stomatitis (K12.-)
- •symblepharon (H11.23-)
- •code to identify percentage of skin exfoliation (L49.-)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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