L503-char group
Urticaria
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: allergic contact dermatitis (L23.-) angioneurotic oedema (T78.3) hereditary angio-oedema (D84.1) Quincke oedema (T78.3) urticaria: giant (T78.3) neonatorum (P83.8) papulosa (L28.2) pigmentosa (Q82.2) serum (T80.6) solar (L56.3)