M63*3-char group* Asterisk (manifestation)
Disorders of muscle in diseases classified elsewhere
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
- ●Avoid — more specific 4-5 char codes exist (see below)
Dual coding (†/*)
This is an asterisk (*) manifestation code — usually paired with a dagger (†) etiology code.
→ Full dagger (†) ↔ asterisk (*) mapping tableCoding guidance (WHO 2019)
Excl.: myopathy in: endocrine diseases (G73.5*) metabolic diseases (G73.6*)