I373-char group
Pulmonary valve disorders
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: when specified as congenital (Q22.1, Q22.2, Q22.3) when specified as rheumatic (I09.8)