Allergic contact dermatitis - L23
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)
- contact dermatitis NOS (L25.9)
- dermatitis NOS (L30.9)
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:
- dermatitis due to substances taken internally (L27.-)
- dermatitis of eyelid (H01.1-)
- diaper dermatitis (L22)
- eczema of external ear (H60.5-)
- irritant contact dermatitis (L24.-)
- perioral dermatitis (L71.0)
- radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
These ranges represents subcategories of Allergic contact dermatitis. The "L23" signifies that these are the diseases within this broad category.
Codes:
- L23.0 - Allergic contact dermatitis due to metals
- L23.1 - Allergic contact dermatitis due to adhesives
- L23.2 - Allergic contact dermatitis due to cosmetics
- L23.3 - Allergic contact dermatitis due to drugs in contact with skin
- L23.4 - Allergic contact dermatitis due to dyes
- L23.5 - Allergic contact dermatitis due to other chemical products
- L23.6 - Allergic contact dermatitis due to food in contact with the skin
- L23.7 - Allergic contact dermatitis due to plants, except food
- L23.8 - Allergic contact dermatitis due to other agents
- L23.81 - Allergic contact dermatitis due to animal (cat) (dog) dander
- L23.89 - Allergic contact dermatitis due to other agents
- L23.9 - Allergic contact dermatitis, unspecified cause