| ICD-10 Code | Description |
| O60.20X0 | Term delivery with preterm labor, unspecified trimester, not applicable or unspecified |
| O60.20X1 | Term delivery with preterm labor, unspecified trimester, fetus 1 |
| O60.20X2 | Term delivery with preterm labor, unspecified trimester, fetus 2 |
| O60.20X3 | Term delivery with preterm labor, unspecified trimester, fetus 3 |
| O60.20X4 | Term delivery with preterm labor, unspecified trimester, fetus 4 |
| O60.20X5 | Term delivery with preterm labor, unspecified trimester, fetus 5 |
| O60.20X9 | Term delivery with preterm labor, unspecified trimester, other fetus |
| O60.22X0 | Term delivery with preterm labor, second trimester, not applicable or unspecified |
| O60.22X1 | Term delivery with preterm labor, second trimester, fetus 1 |
| O60.22X2 | Term delivery with preterm labor, second trimester, fetus 2 |
| O60.22X3 | Term delivery with preterm labor, second trimester, fetus 3 |
| O60.22X4 | Term delivery with preterm labor, second trimester, fetus 4 |
| O60.22X5 | Term delivery with preterm labor, second trimester, fetus 5 |
| O60.22X9 | Term delivery with preterm labor, second trimester, other fetus |
| O60.23X0 | Term delivery with preterm labor, third trimester, not applicable or unspecified |
| O60.23X1 | Term delivery with preterm labor, third trimester, fetus 1 |
| O60.23X2 | Term delivery with preterm labor, third trimester, fetus 2 |
| O60.23X3 | Term delivery with preterm labor, third trimester, fetus 3 |
| O60.23X4 | Term delivery with preterm labor, third trimester, fetus 4 |
| O60.23X5 | Term delivery with preterm labor, third trimester, fetus 5 |
| O60.23X9 | Term delivery with preterm labor, third trimester, other fetus |
