L51 — Erythema multiforme
Part of Chapter 12: Diseases of the skin and subcutaneous tissue , block Urticaria and erythema (L49-L54) .
Official Notes
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code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
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code to identify associated manifestations, such as:
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arthropathy associated with dermatological disorders ( M14.8- )
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conjunctival edema ( H11.42 )
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conjunctivitis ( H10.22- )
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corneal scars and opacities ( H17 .-)
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corneal ulcer ( H16.0- )
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edema of eyelid ( H02.84- )
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inflammation of eyelid ( H01.8- )
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keratoconjunctivitis sicca ( H16.22- )
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mechanical lagophthalmos ( H02.22- )
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stomatitis ( K12 .-)
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symblepharon ( H11.23- )
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code to identify percentage of skin exfoliation ( L49 .-)
Excludes1
staphylococcal scalded skin syndrome ( L00 )
Excludes1
Ritter's disease ( L00 )
Child Codes
- L51.0 Nonbullous erythema multiforme Billable
- L51.1 Stevens-Johnson syndrome Billable
- L51.2 Toxic epidermal necrolysis [Lyell] Billable
- L51.3 Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome Billable
- L51.8 Other erythema multiforme Billable
- L51.9 Erythema multiforme, unspecified Billable
Referenced By
Official notes on these codes cite L51.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS