| ICD-10 Code | Description |
| O31.10X0 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, not applicable or unspecified |
| O31.10X1 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 1 |
| O31.10X2 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 2 |
| O31.10X3 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 3 |
| O31.10X4 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 4 |
| O31.10X5 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 5 |
| O31.10X9 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, other fetus |
| O31.11X0 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester, not applicable or unspecified |
| O31.11X1 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester, fetus 1 |
| O31.11X2 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester, fetus 2 |
| O31.11X3 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester, fetus 3 |
| O31.11X4 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester, fetus 4 |
| O31.11X5 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester, fetus 5 |
| O31.11X9 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester, other fetus |
| O31.12X0 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester, not applicable or unspecified |
| O31.12X1 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester, fetus 1 |
| O31.12X2 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester, fetus 2 |
| O31.12X3 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester, fetus 3 |
| O31.12X4 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester, fetus 4 |
| O31.12X5 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester, fetus 5 |
| O31.12X9 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester, other fetus |
| O31.13X0 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester, not applicable or unspecified |
| O31.13X1 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester, fetus 1 |
| O31.13X2 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester, fetus 2 |
| O31.13X3 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester, fetus 3 |
| O31.13X4 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester, fetus 4 |
| O31.13X5 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester, fetus 5 |
| O31.13X9 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester, other fetus |
