- V31 Twin birth mate liveborn
- V31.0 Twin birth mate liveborn born in hospital
- V31.00 Twin birth, mate liveborn, born in hospital, delivered without mention of cesarean section convert V31.00 to ICD-10-CM
- V31.01 Twin birth, mate liveborn, born in hospital, delivered by cesarean section convert V31.01 to ICD-10-CM
- V31.1 Twin birth, mate liveborn, born before admission to hospital convert V31.1 to ICD-10-CM
- V31.2 Twin birth, mate liveborn, born outside hospital and not hospitalized convert V31.2 to ICD-10-CM