M153-char group
Polyarthrosis
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: arthrosis with mention of more than one site Excl.: bilateral involvement of single joint (M16-M19)