| O60.10X0 | Preterm labor with preterm delivery, unspecified trimester, not applicable or unspecified | BILLABLE CODE |
| O60.10X1 | Preterm labor with preterm delivery, unspecified trimester, fetus 1 | BILLABLE CODE |
| O60.10X2 | Preterm labor with preterm delivery, unspecified trimester, fetus 2 | BILLABLE CODE |
| O60.10X3 | Preterm labor with preterm delivery, unspecified trimester, fetus 3 | BILLABLE CODE |
| O60.10X4 | Preterm labor with preterm delivery, unspecified trimester, fetus 4 | BILLABLE CODE |
| O60.10X5 | Preterm labor with preterm delivery, unspecified trimester, fetus 5 | BILLABLE CODE |
| O60.10X9 | Preterm labor with preterm delivery, unspecified trimester, other fetus | BILLABLE CODE |
