L27: 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.-)