ICD-10-CM Section · O09-O09
Supervision of high risk pregnancy
85 codes in this section
85
Total Codes
64
Billable
21
Header (Non-Billable)
1
Top-Level Codes
About Section O09
Section O09 (O09-O09) covers supervision of high risk pregnancy. It sits within the Pregnancy, childbirth and the puerperium chapter (O00-O9A). This section contains 85 ICD-10-CM codes, 64 billable diagnoses you can submit on a claim, and 21 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in O09
Grouped by 3-character root code. Click any code for full detail.
O09
Supervision of high risk pregnancy
84 subcodes
| O09.0 | Supervision of pregnancy with history of infertility | Header |
| O09.00 | Supervision of pregnancy with history of infertility, unspecified trimester | Billable |
| O09.01 | Supervision of pregnancy with history of infertility, first trimester | Billable |
| O09.02 | Supervision of pregnancy with history of infertility, second trimester | Billable |
| O09.03 | Supervision of pregnancy with history of infertility, third trimester | Billable |
| O09.1 | Supervision of pregnancy with history of ectopic pregnancy | Header |
| O09.10 | Supervision of pregnancy with history of ectopic pregnancy, unspecified trimester | Billable |
| O09.11 | Supervision of pregnancy with history of ectopic pregnancy, first trimester | Billable |
| O09.12 | Supervision of pregnancy with history of ectopic pregnancy, second trimester | Billable |
| O09.13 | Supervision of pregnancy with history of ectopic pregnancy, third trimester | Billable |
| O09.2 | Supervision of pregnancy with other poor reproductive or obstetric history | Header |
| O09.21 | Supervision of pregnancy with history of pre-term labor | Header |
| O09.211 | Supervision of pregnancy with history of pre-term labor, first trimester | Billable |
| O09.212 | Supervision of pregnancy with history of pre-term labor, second trimester | Billable |
| O09.213 | Supervision of pregnancy with history of pre-term labor, third trimester | Billable |
| O09.219 | Supervision of pregnancy with history of pre-term labor, unspecified trimester | Billable |
| O09.29 | Supervision of pregnancy with other poor reproductive or obstetric history | Header |
| O09.291 | Supervision of pregnancy with other poor reproductive or obstetric history, first trimester | Billable |
| O09.292 | Supervision of pregnancy with other poor reproductive or obstetric history, second trimester | Billable |
| O09.293 | Supervision of pregnancy with other poor reproductive or obstetric history, third trimester | Billable |
| O09.299 | Supervision of pregnancy with other poor reproductive or obstetric history, unspecified trimester | Billable |
| O09.3 | Supervision of pregnancy with insufficient antenatal care | Header |
| O09.30 | Supervision of pregnancy with insufficient antenatal care, unspecified trimester | Billable |
| O09.31 | Supervision of pregnancy with insufficient antenatal care, first trimester | Billable |
| O09.32 | Supervision of pregnancy with insufficient antenatal care, second trimester | Billable |
| O09.33 | Supervision of pregnancy with insufficient antenatal care, third trimester | Billable |
| O09.4 | Supervision of pregnancy with grand multiparity | Header |
| O09.40 | Supervision of pregnancy with grand multiparity, unspecified trimester | Billable |
| O09.41 | Supervision of pregnancy with grand multiparity, first trimester | Billable |
| O09.42 | Supervision of pregnancy with grand multiparity, second trimester | Billable |
| O09.43 | Supervision of pregnancy with grand multiparity, third trimester | Billable |
| O09.5 | Supervision of elderly primigravida and multigravida | Header |
| O09.51 | Supervision of elderly primigravida | Header |
| O09.511 | Supervision of elderly primigravida, first trimester | Billable |
| O09.512 | Supervision of elderly primigravida, second trimester | Billable |
| O09.513 | Supervision of elderly primigravida, third trimester | Billable |
| O09.519 | Supervision of elderly primigravida, unspecified trimester | Billable |
| O09.52 | Supervision of elderly multigravida | Header |
| O09.521 | Supervision of elderly multigravida, first trimester | Billable |
| O09.522 | Supervision of elderly multigravida, second trimester | Billable |
| O09.523 | Supervision of elderly multigravida, third trimester | Billable |
| O09.529 | Supervision of elderly multigravida, unspecified trimester | Billable |
| O09.6 | Supervision of young primigravida and multigravida | Header |
| O09.61 | Supervision of young primigravida | Header |
| O09.611 | Supervision of young primigravida, first trimester | Billable |
| O09.612 | Supervision of young primigravida, second trimester | Billable |
| O09.613 | Supervision of young primigravida, third trimester | Billable |
| O09.619 | Supervision of young primigravida, unspecified trimester | Billable |
| O09.62 | Supervision of young multigravida | Header |
| O09.621 | Supervision of young multigravida, first trimester | Billable |
| O09.622 | Supervision of young multigravida, second trimester | Billable |
| O09.623 | Supervision of young multigravida, third trimester | Billable |
| O09.629 | Supervision of young multigravida, unspecified trimester | Billable |
| O09.7 | Supervision of high risk pregnancy due to social problems | Header |
| O09.70 | Supervision of high risk pregnancy due to social problems, unspecified trimester | Billable |
| O09.71 | Supervision of high risk pregnancy due to social problems, first trimester | Billable |
| O09.72 | Supervision of high risk pregnancy due to social problems, second trimester | Billable |
| O09.73 | Supervision of high risk pregnancy due to social problems, third trimester | Billable |
| O09.8 | Supervision of other high risk pregnancies | Header |
| O09.81 | Supervision of pregnancy resulting from assisted reproductive technology | Header |
| O09.811 | Supervision of pregnancy resulting from assisted reproductive technology, first trimester | Billable |
| O09.812 | Supervision of pregnancy resulting from assisted reproductive technology, second trimester | Billable |
| O09.813 | Supervision of pregnancy resulting from assisted reproductive technology, third trimester | Billable |
| O09.819 | Supervision of pregnancy resulting from assisted reproductive technology, unspecified trimester | Billable |
| O09.82 | Supervision of pregnancy with history of in utero procedure during previous pregnancy | Header |
| O09.821 | Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester | Billable |
| O09.822 | Supervision of pregnancy with history of in utero procedure during previous pregnancy, second trimester | Billable |
| O09.823 | Supervision of pregnancy with history of in utero procedure during previous pregnancy, third trimester | Billable |
| O09.829 | Supervision of pregnancy with history of in utero procedure during previous pregnancy, unspecified trimester | Billable |
| O09.89 | Supervision of other high risk pregnancies | Header |
| O09.891 | Supervision of other high risk pregnancies, first trimester | Billable |
| O09.892 | Supervision of other high risk pregnancies, second trimester | Billable |
| O09.893 | Supervision of other high risk pregnancies, third trimester | Billable |
| O09.899 | Supervision of other high risk pregnancies, unspecified trimester | Billable |
| O09.9 | Supervision of high risk pregnancy, unspecified | Header |
| O09.90 | Supervision of high risk pregnancy, unspecified, unspecified trimester | Billable |
| O09.91 | Supervision of high risk pregnancy, unspecified, first trimester | Billable |
| O09.92 | Supervision of high risk pregnancy, unspecified, second trimester | Billable |
| O09.93 | Supervision of high risk pregnancy, unspecified, third trimester | Billable |
| O09.A | Supervision of pregnancy with history of molar pregnancy | Header |
| O09.A0 | Supervision of pregnancy with history of molar pregnancy, unspecified trimester | Billable |
| O09.A1 | Supervision of pregnancy with history of molar pregnancy, first trimester | Billable |
| O09.A2 | Supervision of pregnancy with history of molar pregnancy, second trimester | Billable |
| O09.A3 | Supervision of pregnancy with history of molar pregnancy, third trimester | Billable |
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Verified against the CMS 2026 code set on May 31, 2026.
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