O313-char group
Complications specific to multiple gestation
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
- ●Applies only/mainly to females
Coding guidance (WHO 2019)
Excl.: conjoined twins causing disproportion (O33.7) delayed delivery of second twin, triplet, etc. (O63.2) malpresentation of one fetus or more (O32.5) with obstructed labour (O64-O66)