I833-char group
Varicose veins of lower extremities
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: complicating: pregnancy (O22.0) puerperium (O87.8)