| O60.22X0 | Term delivery with preterm labor, second trimester, not applicable or unspecified | BILLABLE CODE |
| O60.22X1 | Term delivery with preterm labor, second trimester, fetus 1 | BILLABLE CODE |
| O60.22X2 | Term delivery with preterm labor, second trimester, fetus 2 | BILLABLE CODE |
| O60.22X3 | Term delivery with preterm labor, second trimester, fetus 3 | BILLABLE CODE |
| O60.22X4 | Term delivery with preterm labor, second trimester, fetus 4 | BILLABLE CODE |
| O60.22X5 | Term delivery with preterm labor, second trimester, fetus 5 | BILLABLE CODE |
| O60.22X9 | Term delivery with preterm labor, second trimester, other fetus | BILLABLE CODE |
