| O60.23X0 | Term delivery with preterm labor, third trimester, not applicable or unspecified | BILLABLE CODE |
| O60.23X1 | Term delivery with preterm labor, third trimester, fetus 1 | BILLABLE CODE |
| O60.23X2 | Term delivery with preterm labor, third trimester, fetus 2 | BILLABLE CODE |
| O60.23X3 | Term delivery with preterm labor, third trimester, fetus 3 | BILLABLE CODE |
| O60.23X4 | Term delivery with preterm labor, third trimester, fetus 4 | BILLABLE CODE |
| O60.23X5 | Term delivery with preterm labor, third trimester, fetus 5 | BILLABLE CODE |
| O60.23X9 | Term delivery with preterm labor, third trimester, other fetus | BILLABLE CODE |
