V33 Twin birth unspecified whether mate liveborn or stillborn 
V33.0 Twin birth unspecified whether mate liveborn or stillborn born in hospital 
V33.00 Twin birth, unspecified whether mate liveborn or stillborn, born in hospital, delivered without mention of cesarean section convert V33.00 to ICD-10-CM
V33.01 Twin birth, unspecified whether mate liveborn or stillborn, born in hospital, delivered by cesarean section convert V33.01 to ICD-10-CM- V33.1 Twin birth, unspecified whether mate liveborn or stillborn, born before admission to hospital convert V33.1 to ICD-10-CM
- V33.2 Twin birth, unspecified whether mate liveborn or stillborn, born outside hospital and not hospitalized convert V33.2 to ICD-10-CM
