ICD-10 · PDGM grouping
O22 Venous complications and hemorrhoids in pregnancy
All 32 codes in the O22 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.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
32
Can lead a claim
24
Cannot lead a claim
8
What CMS assigns to O22
24 of the 32 codes group to MMTA - Other; 8 are assigned no clinical group. None of the 32 is assigned a comorbidity subgroup. 24 of the 32 can lead a claim.
Every code in O22
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 |
|---|---|---|---|---|
| O22.0 Varicose veins of lower extremity in pregnancy | ||||
| O22.00 | Varicose veins of lower extremity in pregnancy, unspecified trimesterCMS: Varicose veins of low extrm in pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.01 | Varicose veins of lower extremity in pregnancy, first trimesterCMS: Varicose veins of low extrm in pregnancy, first trimester | Can lead a claim | A | None |
| O22.02 | Varicose veins of lower extremity in pregnancy, second trimesterCMS: Varicose veins of low extrm in pregnancy, second trimester | Can lead a claim | A | None |
| O22.03 | Varicose veins of lower extremity in pregnancy, third trimesterCMS: Varicose veins of low extrm in pregnancy, third trimester | Can lead a claim | A | None |
| O22.1 Genital varices in pregnancy | ||||
| O22.10 | Genital varices in pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.11 | Genital varices in pregnancy, first trimester | Can lead a claim | A | None |
| O22.12 | Genital varices in pregnancy, second trimester | Can lead a claim | A | None |
| O22.13 | Genital varices in pregnancy, third trimester | Can lead a claim | A | None |
| O22.2 Superficial thrombophlebitis in pregnancy | ||||
| O22.20 | Superficial thrombophlebitis in pregnancy, unspecified trimesterCMS: Superficial thrombophlebitis in pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.21 | Superficial thrombophlebitis in pregnancy, first trimester | Can lead a claim | A | None |
| O22.22 | Superficial thrombophlebitis in pregnancy, second trimester | Can lead a claim | A | None |
| O22.23 | Superficial thrombophlebitis in pregnancy, third trimester | Can lead a claim | A | None |
| O22.3 Deep phlebothrombosis in pregnancy | ||||
| O22.30 | Deep phlebothrombosis in pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.31 | Deep phlebothrombosis in pregnancy, first trimester | Can lead a claim | A | None |
| O22.32 | Deep phlebothrombosis in pregnancy, second trimester | Can lead a claim | A | None |
| O22.33 | Deep phlebothrombosis in pregnancy, third trimester | Can lead a claim | A | None |
| O22.4 Hemorrhoids in pregnancy | ||||
| O22.40 | Hemorrhoids in pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.41 | Hemorrhoids in pregnancy, first trimester | Can lead a claim | A | None |
| O22.42 | Hemorrhoids in pregnancy, second trimester | Can lead a claim | A | None |
| O22.43 | Hemorrhoids in pregnancy, third trimester | Can lead a claim | A | None |
| O22.5 Cerebral venous thrombosis in pregnancy | ||||
| O22.50 | Cerebral venous thrombosis in pregnancy, unspecified trimesterCMS: Cerebral venous thrombosis in pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.51 | Cerebral venous thrombosis in pregnancy, first trimester | Can lead a claim | A | None |
| O22.52 | Cerebral venous thrombosis in pregnancy, second trimester | Can lead a claim | A | None |
| O22.53 | Cerebral venous thrombosis in pregnancy, third trimester | Can lead a claim | A | None |
| O22.8 Other venous complications in pregnancy | ||||
| O22.8X Other venous complications in pregnancy | ||||
| O22.8X1 | Other venous complications in pregnancy, first trimester | Can lead a claim | A | None |
| O22.8X2 | Other venous complications in pregnancy, second trimester | Can lead a claim | A | None |
| O22.8X3 | Other venous complications in pregnancy, third trimester | Can lead a claim | A | None |
| O22.8X9 | Other venous complications in pregnancy, unspecified trimesterCMS: Other venous complications in pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.9 Venous complication in pregnancy, unspecified | ||||
| O22.90 | Venous complication in pregnancy, unspecified, unspecified trimesterCMS: Venous complication in pregnancy, unsp, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O22.91 | Venous complication in pregnancy, unspecified, first trimesterCMS: Venous complication in pregnancy, unsp, first trimester | Can lead a claim | A | None |
| O22.92 | Venous complication in pregnancy, unspecified, second trimesterCMS: Venous complication in pregnancy, unsp, second trimester | Can lead a claim | A | None |
| O22.93 | Venous complication in pregnancy, unspecified, third trimesterCMS: Venous complication in pregnancy, unsp, third trimester | 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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