| O36.1930 | Maternal care for other isoimmunization, third trimester, not applicable or unspecified | BILLABLE CODE |
| O36.1931 | Maternal care for other isoimmunization, third trimester, fetus 1 | BILLABLE CODE |
| O36.1932 | Maternal care for other isoimmunization, third trimester, fetus 2 | BILLABLE CODE |
| O36.1933 | Maternal care for other isoimmunization, third trimester, fetus 3 | BILLABLE CODE |
| O36.1934 | Maternal care for other isoimmunization, third trimester, fetus 4 | BILLABLE CODE |
| O36.1935 | Maternal care for other isoimmunization, third trimester, fetus 5 | BILLABLE CODE |
| O36.1939 | Maternal care for other isoimmunization, third trimester, other fetus | BILLABLE CODE |
