ICD-10 · PDGM grouping
P37 Other congenital infectious and parasitic diseases
All 8 codes in the P37 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
8
Can lead a claim
7
Cannot lead a claim
1
What CMS assigns to P37
7 of the 8 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 8 is assigned a comorbidity subgroup. 7 of the 8 can lead a claim.
Every code in P37
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 |
|---|---|---|---|---|
| P37.0 | Congenital tuberculosis | Can lead a claim | A | None |
| P37.1 | Congenital toxoplasmosis | Can lead a claim | A | None |
| P37.2 | Neonatal (disseminated) listeriosis | Can lead a claim | A | None |
| P37.3 | Congenital falciparum malaria | Can lead a claim | A | None |
| P37.4 | Other congenital malaria | Can lead a claim | A | None |
| P37.5 | Neonatal candidiasis | Can lead a claim | A | None |
| P37.8 | Other specified congenital infectious and parasitic diseases | Can lead a claim | A | None |
| P37.9 | Congenital infectious or parasitic disease, 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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