| O36.511 | Maternal care for known or suspected placental insufficiency, first trimester | NON-BILLABLE CODE |
| O36.5110 | Maternal care for known or suspected placental insufficiency, first trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5111 | Maternal care for known or suspected placental insufficiency, first trimester, fetus 1 | BILLABLE CODE |
| O36.5112 | Maternal care for known or suspected placental insufficiency, first trimester, fetus 2 | BILLABLE CODE |
| O36.5113 | Maternal care for known or suspected placental insufficiency, first trimester, fetus 3 | BILLABLE CODE |
| O36.5114 | Maternal care for known or suspected placental insufficiency, first trimester, fetus 4 | BILLABLE CODE |
| O36.5115 | Maternal care for known or suspected placental insufficiency, first trimester, fetus 5 | BILLABLE CODE |
| O36.5119 | Maternal care for known or suspected placental insufficiency, first trimester, other fetus | BILLABLE CODE |
| O36.512 | Maternal care for known or suspected placental insufficiency, second trimester | NON-BILLABLE CODE |
| O36.5120 | Maternal care for known or suspected placental insufficiency, second trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5121 | Maternal care for known or suspected placental insufficiency, second trimester, fetus 1 | BILLABLE CODE |
| O36.5122 | Maternal care for known or suspected placental insufficiency, second trimester, fetus 2 | BILLABLE CODE |
| O36.5123 | Maternal care for known or suspected placental insufficiency, second trimester, fetus 3 | BILLABLE CODE |
| O36.5124 | Maternal care for known or suspected placental insufficiency, second trimester, fetus 4 | BILLABLE CODE |
| O36.5125 | Maternal care for known or suspected placental insufficiency, second trimester, fetus 5 | BILLABLE CODE |
| O36.5129 | Maternal care for known or suspected placental insufficiency, second trimester, other fetus | BILLABLE CODE |
| O36.513 | Maternal care for known or suspected placental insufficiency, third trimester | NON-BILLABLE CODE |
| O36.5130 | Maternal care for known or suspected placental insufficiency, third trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5131 | Maternal care for known or suspected placental insufficiency, third trimester, fetus 1 | BILLABLE CODE |
| O36.5132 | Maternal care for known or suspected placental insufficiency, third trimester, fetus 2 | BILLABLE CODE |
| O36.5133 | Maternal care for known or suspected placental insufficiency, third trimester, fetus 3 | BILLABLE CODE |
| O36.5134 | Maternal care for known or suspected placental insufficiency, third trimester, fetus 4 | BILLABLE CODE |
| O36.5135 | Maternal care for known or suspected placental insufficiency, third trimester, fetus 5 | BILLABLE CODE |
| O36.5139 | Maternal care for known or suspected placental insufficiency, third trimester, other fetus | BILLABLE CODE |
| O36.519 | Maternal care for known or suspected placental insufficiency, unspecified trimester | NON-BILLABLE CODE |
| O36.5190 | Maternal care for known or suspected placental insufficiency, unspecified trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5191 | Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 1 | BILLABLE CODE |
| O36.5192 | Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 2 | BILLABLE CODE |
| O36.5193 | Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 3 | BILLABLE CODE |
| O36.5194 | Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 4 | BILLABLE CODE |
| O36.5195 | Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 5 | BILLABLE CODE |
| O36.5199 | Maternal care for known or suspected placental insufficiency, unspecified trimester, other fetus | BILLABLE CODE |
