R253-char group
Abnormal involuntary movements
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: specific movement disorders (G20-G26) stereotyped movement disorders (F98.4) tic disorders (F95.-)