L23Allergic contact dermatitis
ICD-10-CM category (non-billable header) code — part of Dermatitis and eczema (L20-L30)
Coding Notes
Excludes1 (never code both together)
- allergy NOS (T78.40)
- contact dermatitis NOS (L25.9)
- dermatitis NOS (L30.9)
Excludes2 (not part of this condition — may code both)
- 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)
Subcategories (10)
- 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 w 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 w skin
- L23.7 Allergic contact dermatitis due to plants, except food
- L23.8 Allergic contact dermatitis due to other agents
- L23.9 Allergic contact dermatitis, unspecified cause