ICD-10 · PDGM grouping
O47 False labor
All 5 codes in the O47 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
5
Can lead a claim
3
Cannot lead a claim
2
What CMS assigns to O47
3 of the 5 codes group to MMTA - Other; 2 are assigned no clinical group. None of the 5 is assigned a comorbidity subgroup. 3 of the 5 can lead a claim.
Every code in O47
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 |
|---|---|---|---|---|
| O47.0 False labor before 37 completed weeks of gestation | ||||
| O47.00 | False labor before 37 completed weeks of gestation, unspecified trimesterCMS: False labor before 37 completed weeks of gest, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O47.02 | False labor before 37 completed weeks of gestation, second trimesterCMS: False labor before 37 completed weeks of gest, second tri | Can lead a claim | A | None |
| O47.03 | False labor before 37 completed weeks of gestation, third trimesterCMS: False labor before 37 completed weeks of gest, third tri | Can lead a claim | A | None |
| O47.1 | False labor at or after 37 completed weeks of gestation | Can lead a claim | A | None |
| O47.9 | False labor, unspecified | 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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