Z37 - Outcome of delivery
Z37.6 - Other multiple births, some liveborn
Z37.60 - Multiple births, unspecified, some liveborn
Z37.61 - Triplets, some liveborn
Z37.62 - Quadruplets, some liveborn
Z37.63 - Quintuplets, some liveborn
Z37.64 - Sextuplets, some liveborn
Z37.69 - Other multiple births, some liveborn