Dermatitis due to substances taken internally - L27
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- allergy NOS (T78.40)
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- 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.-)
These ranges represents subcategories of Dermatitis due to substances taken internally. The "L27" signifies that these are the diseases within this broad category.
Codes:
- 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