L273-char group

Dermatitis due to substances taken internally

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

●Avoid — more specific 4-5 char codes exist (see below)

Coding guidance (WHO 2019)

Excl.: adverse: effect NOS of drugs (T88.7) food reaction, except dermatitis (T78.0-T78.1) allergy NOS (T78.4) contact dermatitis (L23-L25) drug: photoallergic response (L56.1) phototoxic response (L56.0) urticaria (L50.-)

Codes within L27

L27.0Generalized skin eruption due to drugs and medicaments L27.1Localized skin eruption due to drugs and medicaments L27.2Dermatitis due to ingested food L27.8Dermatitis due to other substances taken internally L27.9Dermatitis due to unspecified substance taken internally