J623-char group
Pneumoconiosis due to dust containing silica
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: silicotic fibrosis (massive) of lung Excl.: pneumoconiosis with tuberculosis in A15-A16 (J65)