ICD-10-CM · Chapter 12 · L00-L99
L27 Dermatitis due to substances taken internally
Excludes 1 (cannot be coded together)
- allergy NOS (T78.40)
Excludes 2 (not included here)
- 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.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| L27..0 | Generalized skin eruption due to drugs and medicaments taken internally | Yes |
| L27..1 | Localized skin eruption due to drugs and medicaments taken internally | Yes |
| L27..2 | Dermatitis due to ingested food | Yes |
| L27..8 | Dermatitis due to other substances taken internally | Yes |
| L27..9 | Dermatitis due to unspecified substance taken internally | Yes |
Last reviewed: September 2026