| Z37.0 | Single live birth | BILLABLE CODE |
| Z37.1 | Single stillbirth | BILLABLE CODE |
| Z37.2 | Twins, both liveborn | BILLABLE CODE |
| Z37.3 | Twins, one liveborn and one stillborn | BILLABLE CODE |
| Z37.4 | Twins, both stillborn | BILLABLE CODE |
| Z37.5 | Other multiple births, all liveborn | NON-BILLABLE CODE |
| Z37.50 | Multiple births, unspecified, all liveborn | BILLABLE CODE |
| Z37.51 | Triplets, all liveborn | BILLABLE CODE |
| Z37.52 | Quadruplets, all liveborn | BILLABLE CODE |
| Z37.53 | Quintuplets, all liveborn | BILLABLE CODE |
| Z37.54 | Sextuplets, all liveborn | BILLABLE CODE |
| Z37.59 | Other multiple births, all liveborn | BILLABLE CODE |
| Z37.6 | Other multiple births, some liveborn | NON-BILLABLE CODE |
| Z37.60 | Multiple births, unspecified, some liveborn | BILLABLE CODE |
| Z37.61 | Triplets, some liveborn | BILLABLE CODE |
| Z37.62 | Quadruplets, some liveborn | BILLABLE CODE |
| Z37.63 | Quintuplets, some liveborn | BILLABLE CODE |
| Z37.64 | Sextuplets, some liveborn | BILLABLE CODE |
| Z37.69 | Other multiple births, some liveborn | BILLABLE CODE |
| Z37.7 | Other multiple births, all stillborn | BILLABLE CODE |
| Z37.9 | Outcome of delivery, unspecified | BILLABLE CODE |
