L27Level 2
Dermatitis due to substances taken internally
**Excludes1:** - allergy NOS (T78.40)
**Excludes2:** - adverse food reaction, except dermatitis (T78.0-T78.1) - contact dermatitis (L23-L25) - drug photoallergic response (L56.1) - drug phototoxic response (L56.0) - urticaria (L50.-)
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