L27 - Dermatitis due to substances taken internally
Excludes 1:
-allergy NOS T78.40)
Excludes 2:
-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.-)
L27.0 - Generalized skin eruption due to drugs and medicaments taken internally
L27.1 - Localized skin eruption due to drugs and medicaments taken internally
L27.2 - Dermatitis due to ingested food
L27.8 - Dermatitis due to other substances taken internally
L27.9 - Dermatitis due to unspecified substance taken internally