| O36.891 | Maternal care for other specified fetal problems, first trimester | NON-BILLABLE CODE |
| O36.8910 | Maternal care for other specified fetal problems, first trimester, not applicable or unspecified | BILLABLE CODE |
| O36.8911 | Maternal care for other specified fetal problems, first trimester, fetus 1 | BILLABLE CODE |
| O36.8912 | Maternal care for other specified fetal problems, first trimester, fetus 2 | BILLABLE CODE |
| O36.8913 | Maternal care for other specified fetal problems, first trimester, fetus 3 | BILLABLE CODE |
| O36.8914 | Maternal care for other specified fetal problems, first trimester, fetus 4 | BILLABLE CODE |
| O36.8915 | Maternal care for other specified fetal problems, first trimester, fetus 5 | BILLABLE CODE |
| O36.8919 | Maternal care for other specified fetal problems, first trimester, other fetus | BILLABLE CODE |
| O36.892 | Maternal care for other specified fetal problems, second trimester | NON-BILLABLE CODE |
| O36.8920 | Maternal care for other specified fetal problems, second trimester, not applicable or unspecified | BILLABLE CODE |
| O36.8921 | Maternal care for other specified fetal problems, second trimester, fetus 1 | BILLABLE CODE |
| O36.8922 | Maternal care for other specified fetal problems, second trimester, fetus 2 | BILLABLE CODE |
| O36.8923 | Maternal care for other specified fetal problems, second trimester, fetus 3 | BILLABLE CODE |
| O36.8924 | Maternal care for other specified fetal problems, second trimester, fetus 4 | BILLABLE CODE |
| O36.8925 | Maternal care for other specified fetal problems, second trimester, fetus 5 | BILLABLE CODE |
| O36.8929 | Maternal care for other specified fetal problems, second trimester, other fetus | BILLABLE CODE |
| O36.893 | Maternal care for other specified fetal problems, third trimester | NON-BILLABLE CODE |
| O36.8930 | Maternal care for other specified fetal problems, third trimester, not applicable or unspecified | BILLABLE CODE |
| O36.8931 | Maternal care for other specified fetal problems, third trimester, fetus 1 | BILLABLE CODE |
| O36.8932 | Maternal care for other specified fetal problems, third trimester, fetus 2 | BILLABLE CODE |
| O36.8933 | Maternal care for other specified fetal problems, third trimester, fetus 3 | BILLABLE CODE |
| O36.8934 | Maternal care for other specified fetal problems, third trimester, fetus 4 | BILLABLE CODE |
| O36.8935 | Maternal care for other specified fetal problems, third trimester, fetus 5 | BILLABLE CODE |
| O36.8939 | Maternal care for other specified fetal problems, third trimester, other fetus | BILLABLE CODE |
| O36.899 | Maternal care for other specified fetal problems, unspecified trimester | NON-BILLABLE CODE |
| O36.8990 | Maternal care for other specified fetal problems, unspecified trimester, not applicable or unspecified | BILLABLE CODE |
| O36.8991 | Maternal care for other specified fetal problems, unspecified trimester, fetus 1 | BILLABLE CODE |
| O36.8992 | Maternal care for other specified fetal problems, unspecified trimester, fetus 2 | BILLABLE CODE |
| O36.8993 | Maternal care for other specified fetal problems, unspecified trimester, fetus 3 | BILLABLE CODE |
| O36.8994 | Maternal care for other specified fetal problems, unspecified trimester, fetus 4 | BILLABLE CODE |
| O36.8995 | Maternal care for other specified fetal problems, unspecified trimester, fetus 5 | BILLABLE CODE |
| O36.8999 | Maternal care for other specified fetal problems, unspecified trimester, other fetus | BILLABLE CODE |
