| O36.591 | Maternal care for other known or suspected poor fetal growth, first trimester | NON-BILLABLE CODE |
| O36.5910 | Maternal care for other known or suspected poor fetal growth, first trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5911 | Maternal care for other known or suspected poor fetal growth, first trimester, fetus 1 | BILLABLE CODE |
| O36.5912 | Maternal care for other known or suspected poor fetal growth, first trimester, fetus 2 | BILLABLE CODE |
| O36.5913 | Maternal care for other known or suspected poor fetal growth, first trimester, fetus 3 | BILLABLE CODE |
| O36.5914 | Maternal care for other known or suspected poor fetal growth, first trimester, fetus 4 | BILLABLE CODE |
| O36.5915 | Maternal care for other known or suspected poor fetal growth, first trimester, fetus 5 | BILLABLE CODE |
| O36.5919 | Maternal care for other known or suspected poor fetal growth, first trimester, other fetus | BILLABLE CODE |
| O36.592 | Maternal care for other known or suspected poor fetal growth, second trimester | NON-BILLABLE CODE |
| O36.5920 | Maternal care for other known or suspected poor fetal growth, second trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5921 | Maternal care for other known or suspected poor fetal growth, second trimester, fetus 1 | BILLABLE CODE |
| O36.5922 | Maternal care for other known or suspected poor fetal growth, second trimester, fetus 2 | BILLABLE CODE |
| O36.5923 | Maternal care for other known or suspected poor fetal growth, second trimester, fetus 3 | BILLABLE CODE |
| O36.5924 | Maternal care for other known or suspected poor fetal growth, second trimester, fetus 4 | BILLABLE CODE |
| O36.5925 | Maternal care for other known or suspected poor fetal growth, second trimester, fetus 5 | BILLABLE CODE |
| O36.5929 | Maternal care for other known or suspected poor fetal growth, second trimester, other fetus | BILLABLE CODE |
| O36.593 | Maternal care for other known or suspected poor fetal growth, third trimester | NON-BILLABLE CODE |
| O36.5930 | Maternal care for other known or suspected poor fetal growth, third trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5931 | Maternal care for other known or suspected poor fetal growth, third trimester, fetus 1 | BILLABLE CODE |
| O36.5932 | Maternal care for other known or suspected poor fetal growth, third trimester, fetus 2 | BILLABLE CODE |
| O36.5933 | Maternal care for other known or suspected poor fetal growth, third trimester, fetus 3 | BILLABLE CODE |
| O36.5934 | Maternal care for other known or suspected poor fetal growth, third trimester, fetus 4 | BILLABLE CODE |
| O36.5935 | Maternal care for other known or suspected poor fetal growth, third trimester, fetus 5 | BILLABLE CODE |
| O36.5939 | Maternal care for other known or suspected poor fetal growth, third trimester, other fetus | BILLABLE CODE |
| O36.599 | Maternal care for other known or suspected poor fetal growth, unspecified trimester | NON-BILLABLE CODE |
| O36.5990 | Maternal care for other known or suspected poor fetal growth, unspecified trimester, not applicable or unspecified | BILLABLE CODE |
| O36.5991 | Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 1 | BILLABLE CODE |
| O36.5992 | Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 2 | BILLABLE CODE |
| O36.5993 | Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 3 | BILLABLE CODE |
| O36.5994 | Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 4 | BILLABLE CODE |
| O36.5995 | Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 5 | BILLABLE CODE |
| O36.5999 | Maternal care for other known or suspected poor fetal growth, unspecified trimester, other fetus | BILLABLE CODE |
