ICD-10 · PDGM grouping
O88 Obstetric embolism
All 30 codes in the O88 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
30
Can lead a claim
25
Cannot lead a claim
5
What CMS assigns to O88
25 of the 30 codes group to MMTA - Other; 5 are assigned no clinical group. None of the 30 is assigned a comorbidity subgroup. 25 of the 30 can lead a claim.
Every code in O88
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| O88.0 Obstetric air embolism | ||||
| O88.01 Obstetric air embolism in pregnancy | ||||
| O88.011 | Air embolism in pregnancy, first trimester | Can lead a claim | A | None |
| O88.012 | Air embolism in pregnancy, second trimester | Can lead a claim | A | None |
| O88.013 | Air embolism in pregnancy, third trimester | Can lead a claim | A | None |
| O88.019 | Air embolism in pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O88.02 | Air embolism in childbirth | Can lead a claim | A | None |
| O88.03 | Air embolism in the puerperium | Can lead a claim | A | None |
| O88.1 Amniotic fluid embolism | ||||
| O88.11 Amniotic fluid embolism in pregnancy | ||||
| O88.111 | Amniotic fluid embolism in pregnancy, first trimester | Can lead a claim | A | None |
| O88.112 | Amniotic fluid embolism in pregnancy, second trimester | Can lead a claim | A | None |
| O88.113 | Amniotic fluid embolism in pregnancy, third trimester | Can lead a claim | A | None |
| O88.119 | Amniotic fluid embolism in pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O88.12 | Amniotic fluid embolism in childbirth | Can lead a claim | A | None |
| O88.13 | Amniotic fluid embolism in the puerperium | Can lead a claim | A | None |
| O88.2 Obstetric thromboembolism | ||||
| O88.21 Thromboembolism in pregnancy | ||||
| O88.211 | Thromboembolism in pregnancy, first trimester | Can lead a claim | A | None |
| O88.212 | Thromboembolism in pregnancy, second trimester | Can lead a claim | A | None |
| O88.213 | Thromboembolism in pregnancy, third trimester | Can lead a claim | A | None |
| O88.219 | Thromboembolism in pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O88.22 | Thromboembolism in childbirth | Can lead a claim | A | None |
| O88.23 | Thromboembolism in the puerperium | Can lead a claim | A | None |
| O88.3 Obstetric pyemic and septic embolism | ||||
| O88.31 Pyemic and septic embolism in pregnancy | ||||
| O88.311 | Pyemic and septic embolism in pregnancy, first trimester | Can lead a claim | A | None |
| O88.312 | Pyemic and septic embolism in pregnancy, second trimester | Can lead a claim | A | None |
| O88.313 | Pyemic and septic embolism in pregnancy, third trimester | Can lead a claim | A | None |
| O88.319 | Pyemic and septic embolism in pregnancy, unspecified trimesterCMS: Pyemic and septic embolism in pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O88.32 | Pyemic and septic embolism in childbirth | Can lead a claim | A | None |
| O88.33 | Pyemic and septic embolism in the puerperium | Can lead a claim | A | None |
| O88.8 Other obstetric embolism | ||||
| O88.81 Other embolism in pregnancy | ||||
| O88.811 | Other embolism in pregnancy, first trimester | Can lead a claim | A | None |
| O88.812 | Other embolism in pregnancy, second trimester | Can lead a claim | A | None |
| O88.813 | Other embolism in pregnancy, third trimester | Can lead a claim | A | None |
| O88.819 | Other embolism in pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O88.82 | Other embolism in childbirth | Can lead a claim | A | None |
| O88.83 | Other embolism in the puerperium | Can lead a claim | A | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. 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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