| O36.111 | Maternal care for Anti-A sensitization, first trimester | NON-BILLABLE CODE |
| O36.1110 | Maternal care for Anti-A sensitization, first trimester, not applicable or unspecified | BILLABLE CODE |
| O36.1111 | Maternal care for Anti-A sensitization, first trimester, fetus 1 | BILLABLE CODE |
| O36.1112 | Maternal care for Anti-A sensitization, first trimester, fetus 2 | BILLABLE CODE |
| O36.1113 | Maternal care for Anti-A sensitization, first trimester, fetus 3 | BILLABLE CODE |
| O36.1114 | Maternal care for Anti-A sensitization, first trimester, fetus 4 | BILLABLE CODE |
| O36.1115 | Maternal care for Anti-A sensitization, first trimester, fetus 5 | BILLABLE CODE |
| O36.1119 | Maternal care for Anti-A sensitization, first trimester, other fetus | BILLABLE CODE |
| O36.112 | Maternal care for Anti-A sensitization, second trimester | NON-BILLABLE CODE |
| O36.1120 | Maternal care for Anti-A sensitization, second trimester, not applicable or unspecified | BILLABLE CODE |
| O36.1121 | Maternal care for Anti-A sensitization, second trimester, fetus 1 | BILLABLE CODE |
| O36.1122 | Maternal care for Anti-A sensitization, second trimester, fetus 2 | BILLABLE CODE |
| O36.1123 | Maternal care for Anti-A sensitization, second trimester, fetus 3 | BILLABLE CODE |
| O36.1124 | Maternal care for Anti-A sensitization, second trimester, fetus 4 | BILLABLE CODE |
| O36.1125 | Maternal care for Anti-A sensitization, second trimester, fetus 5 | BILLABLE CODE |
| O36.1129 | Maternal care for Anti-A sensitization, second trimester, other fetus | BILLABLE CODE |
| O36.113 | Maternal care for Anti-A sensitization, third trimester | NON-BILLABLE CODE |
| O36.1130 | Maternal care for Anti-A sensitization, third trimester, not applicable or unspecified | BILLABLE CODE |
| O36.1131 | Maternal care for Anti-A sensitization, third trimester, fetus 1 | BILLABLE CODE |
| O36.1132 | Maternal care for Anti-A sensitization, third trimester, fetus 2 | BILLABLE CODE |
| O36.1133 | Maternal care for Anti-A sensitization, third trimester, fetus 3 | BILLABLE CODE |
| O36.1134 | Maternal care for Anti-A sensitization, third trimester, fetus 4 | BILLABLE CODE |
| O36.1135 | Maternal care for Anti-A sensitization, third trimester, fetus 5 | BILLABLE CODE |
| O36.1139 | Maternal care for Anti-A sensitization, third trimester, other fetus | BILLABLE CODE |
| O36.119 | Maternal care for Anti-A sensitization, unspecified trimester | NON-BILLABLE CODE |
| O36.1190 | Maternal care for Anti-A sensitization, unspecified trimester, not applicable or unspecified | BILLABLE CODE |
| O36.1191 | Maternal care for Anti-A sensitization, unspecified trimester, fetus 1 | BILLABLE CODE |
| O36.1192 | Maternal care for Anti-A sensitization, unspecified trimester, fetus 2 | BILLABLE CODE |
| O36.1193 | Maternal care for Anti-A sensitization, unspecified trimester, fetus 3 | BILLABLE CODE |
| O36.1194 | Maternal care for Anti-A sensitization, unspecified trimester, fetus 4 | BILLABLE CODE |
| O36.1195 | Maternal care for Anti-A sensitization, unspecified trimester, fetus 5 | BILLABLE CODE |
| O36.1199 | Maternal care for Anti-A sensitization, unspecified trimester, other fetus | BILLABLE CODE |
