| O368299 | Fetal anemia and thrombocytopenia, unsp trimester, oth fetus Fetal anemia and thrombocytopenia, unspecified trimester, other fetus |
| O3683 | Maternal care for abnormalities of the fetal heart rate or rhythm |
| O36831 | Matern care for abnlt of fetal heart rate or rhym, first tri Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester |
| O368310 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified |
| O368311 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 1 |
| O368312 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 2 |
| O368313 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 3 |
| O368314 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 4 |
| O368315 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 5 |
| O368319 | Matern care for abnlt of fetl hrt rate or rhym, 1st tri, oth Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, other fetus |
| O36832 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester |
| O368320 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, not applicable or unspecified |
| O368321 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 1 |
| O368322 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 2 |
| O368323 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 3 |
| O368324 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 4 |
| O368325 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 5 |
| O368329 | Matern care for abnlt of fetl hrt rate or rhym, 2nd tri, oth Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, other fetus |
| O36833 | Matern care for abnlt of fetal heart rate or rhym, third tri Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester |
| O368330 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, not applicable or unspecified |
| O368331 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 1 |
| O368332 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 2 |
| O368333 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 3 |
| O368334 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 4 |
| O368335 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 5 |
| O368339 | Matern care for abnlt of fetl hrt rate or rhym, 3rd tri, oth Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, other fetus |
| O36839 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester |
| O368390 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, not applicable or unspecified |
| O368391 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 1 |
| O368392 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 2 |
| O368393 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 3 |
| O368394 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 4 |
| O368395 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 5 |
| O368399 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, other fetus |
| O3689 | Maternal care for other specified fetal problems |
| O36891 | Maternal care for other specified fetal problems, first trimester |
| O368910 | Maternal care for other specified fetal problems, first trimester, not applicable or unspecified |
| O368911 | Maternal care for other specified fetal problems, first trimester, fetus 1 |
| O368912 | Maternal care for other specified fetal problems, first trimester, fetus 2 |
| O368913 | Maternal care for other specified fetal problems, first trimester, fetus 3 |
| O368914 | Maternal care for other specified fetal problems, first trimester, fetus 4 |
| O368915 | Maternal care for other specified fetal problems, first trimester, fetus 5 |
| O368919 | Maternal care for other specified fetal problems, first trimester, other fetus |
| O36892 | Maternal care for other specified fetal problems, second trimester |
| O368920 | Maternal care for oth fetal problems, second trimester, unsp Maternal care for other specified fetal problems, second trimester, not applicable or unspecified |
| O368921 | Maternal care for other specified fetal problems, second trimester, fetus 1 |
| O368922 | Maternal care for other specified fetal problems, second trimester, fetus 2 |
| O368923 | Maternal care for other specified fetal problems, second trimester, fetus 3 |
| O368924 | Maternal care for other specified fetal problems, second trimester, fetus 4 |
| O368925 | Maternal care for other specified fetal problems, second trimester, fetus 5 |