L51 - Erythema multiforme
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.-)
Excludes 1:
-staphylococcal scalded skin syndrome (L00)
-Ritter's disease (L00)
L51.0 - Nonbullous erythema multiforme
L51.1 - Stevens-Johnson syndrome
L51.2 - Toxic epidermal necrolysis [Lyell]
L51.3 - Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome
L51.8 - Other erythema multiforme
L51.9 - Erythema multiforme, unspecified