L233-char group
Allergic contact dermatitis
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: allergic contact eczema Excl.: allergy NOS (T78.4) dermatitis (of): NOS (L30.9) contact NOS (L25.9) diaper [napkin] (L22) due to substances taken internally (L27.-) eyelid (H01.1) irritant contact (L24.-) perioral (L71.0) eczema of external ear (H60.5) radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
Codes within L23
L23.0Allergic contact dermatitis due to metalsL23.1Allergic contact dermatitis due to adhesivesL23.2Allergic contact dermatitis due to cosmeticsL23.3Allergic contact dermatitis due to drugs in contact with skinL23.4Allergic contact dermatitis due to dyesL23.5Allergic contact dermatitis due to other chemical productsL23.6Allergic contact dermatitis due to food in contact with skinL23.7Allergic contact dermatitis due to plants, except foodL23.8Allergic contact dermatitis due to other agentsL23.9Allergic contact dermatitis, unspecified cause