L51.9 Erythema multiforme, unspecified
Instructional Notes:
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L51.9
Description: Erythema multiforme, unspecified
Inclusion Term:
- Erythema iris
- Erythema multiforme major NOS
- Erythema multiforme minor NOS
- Herpes iris
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L51
Description: Erythema multiforme
Exclude1:
- staphylococcal scalded skin syndrome (L00)
- Ritter's disease (L00)
Use Additional Code:
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
↓
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L49-L54
Description: Urticaria and erythema (L49-L54)
Exclude1:
- Lyme disease (A69.2-)
- rosacea (L71.-)
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L00-L99
Description: Diseases of the skin and subcutaneous tissue
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)