ICD-10 · PDGM grouping
O09-O09 — Supervision of high risk pregnancy
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
OASIS-E2 v1.00.0 · ingested 2026-04-26
Codes in range
64
No clinical group
19
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
45 of the 64 codes in O09-O09 group to MMTA - Other. A further 19 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in O09-O09
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| O0900 | Suprvsn of preg w history of infertility, unsp trimester | None | Cannot group |
| O0901 | Suprvsn of preg w history of infertility, first trimester | A | Accepted |
| O0902 | Suprvsn of preg w history of infertility, second trimester | A | Accepted |
| O0903 | Suprvsn of preg w history of infertility, third trimester | A | Accepted |
| O0910 | Suprvsn of preg with history of ectopic preg, unsp trimester | None | Cannot group |
| O0911 | Suprvsn of preg with history of ectopic preg, first tri | A | Accepted |
| O0912 | Suprvsn of preg with history of ectopic preg, second tri | A | Accepted |
| O0913 | Suprvsn of preg with history of ectopic preg, third tri | A | Accepted |
| O09211 | Suprvsn of preg w history of pre-term labor, first trimester | A | Accepted |
| O09212 | Suprvsn of preg w history of pre-term labor, second tri | A | Accepted |
| O09213 | Suprvsn of preg w history of pre-term labor, third trimester | A | Accepted |
| O09219 | Suprvsn of preg w history of pre-term labor, unsp trimester | None | Cannot group |
| O09291 | Suprvsn of preg w poor reprodctv or obstet hx, first tri | A | Accepted |
| O09292 | Suprvsn of preg w poor reprodctv or obstet hx, second tri | A | Accepted |
| O09293 | Suprvsn of preg w poor reprodctv or obstet hx, third tri | A | Accepted |
| O09299 | Suprvsn of preg w poor reprodctv or obstet history, unsp tri | None | Cannot group |
| O0930 | Suprvsn of preg w insufficient antenat care, unsp trimester | None | Cannot group |
| O0931 | Suprvsn of preg w insufficient antenat care, first trimester | A | Accepted |
| O0932 | Suprvsn of preg w insufficient antenat care, second tri | A | Accepted |
| O0933 | Suprvsn of preg w insufficient antenat care, third trimester | A | Accepted |
| O0940 | Supervision of pregnancy w grand multiparity, unsp trimester | None | Cannot group |
| O0941 | Suprvsn of pregnancy w grand multiparity, first trimester | A | Accepted |
| O0942 | Suprvsn of pregnancy w grand multiparity, second trimester | A | Accepted |
| O0943 | Suprvsn of pregnancy w grand multiparity, third trimester | A | Accepted |
| O09511 | Supervision of elderly primigravida, first trimester | A | Accepted |
| O09512 | Supervision of elderly primigravida, second trimester | A | Accepted |
| O09513 | Supervision of elderly primigravida, third trimester | A | Accepted |
| O09519 | Supervision of elderly primigravida, unspecified trimester | None | Cannot group |
| O09521 | Supervision of elderly multigravida, first trimester | A | Accepted |
| O09522 | Supervision of elderly multigravida, second trimester | A | Accepted |
| O09523 | Supervision of elderly multigravida, third trimester | A | Accepted |
| O09529 | Supervision of elderly multigravida, unspecified trimester | None | Cannot group |
| O09611 | Supervision of young primigravida, first trimester | A | Accepted |
| O09612 | Supervision of young primigravida, second trimester | A | Accepted |
| O09613 | Supervision of young primigravida, third trimester | A | Accepted |
| O09619 | Supervision of young primigravida, unspecified trimester | None | Cannot group |
| O09621 | Supervision of young multigravida, first trimester | A | Accepted |
| O09622 | Supervision of young multigravida, second trimester | A | Accepted |
| O09623 | Supervision of young multigravida, third trimester | A | Accepted |
| O09629 | Supervision of young multigravida, unspecified trimester | None | Cannot group |
| O0970 | Suprvsn of high risk preg due to social problems, unsp tri | None | Cannot group |
| O0971 | Suprvsn of high risk preg due to social problems, first tri | None | Cannot group |
| O0972 | Suprvsn of high risk preg due to social problems, second tri | None | Cannot group |
| O0973 | Suprvsn of high risk preg due to social problems, third tri | None | Cannot group |
| O09811 | Suprvsn of preg rslt from assisted reprodctv tech, first tri | A | Accepted |
| O09812 | Suprvsn of preg rslt from assist reprodctv tech, second tri | A | Accepted |
| O09813 | Suprvsn of preg rslt from assisted reprodctv tech, third tri | A | Accepted |
| O09819 | Suprvsn of preg rslt from assisted reprodctv tech, unsp tri | None | Cannot group |
| O09821 | Suprvsn of preg w hx of in utero proc dur prev preg, 1st tri | A | Accepted |
| O09822 | Suprvsn of preg w hx of in utero proc dur prev preg, 2nd tri | A | Accepted |
| O09823 | Suprvsn of preg w hx of in utero proc dur prev preg, 3rd tri | A | Accepted |
| O09829 | Suprvsn of preg w hx of in utero proc dur prev preg,unsp tri | None | Cannot group |
| O09891 | Supervision of other high risk pregnancies, first trimester | A | Accepted |
| O09892 | Supervision of other high risk pregnancies, second trimester | A | Accepted |
| O09893 | Supervision of other high risk pregnancies, third trimester | A | Accepted |
| O09899 | Supervision of other high risk pregnancies, unsp trimester | None | Cannot group |
| O0990 | Supervision of high risk pregnancy, unsp, unsp trimester | None | Cannot group |
| O0991 | Supervision of high risk pregnancy, unsp, first trimester | A | Accepted |
| O0992 | Supervision of high risk pregnancy, unsp, second trimester | A | Accepted |
| O0993 | Supervision of high risk pregnancy, unsp, third trimester | A | Accepted |
| O09A0 | Suprvsn of preg with history of molar preg, unsp trimester | None | Cannot group |
| O09A1 | Suprvsn of preg with history of molar preg, first trimester | A | Accepted |
| O09A2 | Suprvsn of preg with history of molar preg, second trimester | A | Accepted |
| O09A3 | Suprvsn of preg with history of molar preg, third trimester | A | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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