ICD-10 · PDGM grouping
Z34 Encounter for supervision of normal pregnancy
All 12 codes in the Z34 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
12
Can lead a claim
0
Cannot lead a claim
12
What CMS assigns to Z34
None of the 12 codes is assigned a clinical group. None of the 12 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z34
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 |
|---|---|---|---|---|
| Z34.0 Encounter for supervision of normal first pregnancy | ||||
| Z34.00 | Encounter for supervision of normal first pregnancy, unspecified trimesterCMS: Encntr for suprvsn of normal first pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.01 | Encounter for supervision of normal first pregnancy, first trimesterCMS: Encntr for suprvsn of normal first preg, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.02 | Encounter for supervision of normal first pregnancy, second trimesterCMS: Encntr for suprvsn of normal first preg, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.03 | Encounter for supervision of normal first pregnancy, third trimesterCMS: Encntr for suprvsn of normal first preg, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.8 Encounter for supervision of other normal pregnancy | ||||
| Z34.80 | Encounter for supervision of other normal pregnancy, unspecified trimesterCMS: Encounter for suprvsn of normal pregnancy, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.81 | Encounter for supervision of other normal pregnancy, first trimesterCMS: Encounter for suprvsn of normal pregnancy, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.82 | Encounter for supervision of other normal pregnancy, second trimesterCMS: Encounter for suprvsn of normal pregnancy, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.83 | Encounter for supervision of other normal pregnancy, third trimesterCMS: Encounter for suprvsn of normal pregnancy, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.9 Encounter for supervision of normal pregnancy, unspecified | ||||
| Z34.90 | Encounter for supervision of normal pregnancy, unspecified, unspecified trimesterCMS: Encntr for suprvsn of normal pregnancy, unsp, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.91 | Encounter for supervision of normal pregnancy, unspecified, first trimesterCMS: Encntr for suprvsn of normal preg, unsp, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.92 | Encounter for supervision of normal pregnancy, unspecified, second trimesterCMS: Encntr for suprvsn of normal preg, unsp, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z34.93 | Encounter for supervision of normal pregnancy, unspecified, third trimesterCMS: Encntr for suprvsn of normal preg, unsp, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | 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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