ICD-10 · PDGM grouping
P71 Transitory neonatal disorders of calcium and magnesium metabolism
All 7 codes in the P71 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
7
Can lead a claim
7
Cannot lead a claim
0
What CMS assigns to P71
All 7 codes group to MMTA - Other. None of the 7 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in P71
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 |
|---|---|---|---|---|
| P71.0 | Cow's milk hypocalcemia in newborn | Can lead a claim | A | None |
| P71.1 | Other neonatal hypocalcemia | Can lead a claim | A | None |
| P71.2 | Neonatal hypomagnesemia | Can lead a claim | A | None |
| P71.3 | Neonatal tetany without calcium or magnesium deficiency | Can lead a claim | A | None |
| P71.4 | Transitory neonatal hypoparathyroidism | Can lead a claim | A | None |
| P71.8 | Other transitory neonatal disorders of calcium and magnesium metabolismCMS: Oth transitory neonatal disord of calcium & magnesium metab | Can lead a claim | A | None |
| P71.9 | Transitory neonatal disorder of calcium and magnesium metabolism, unspecifiedCMS: Transitory neonatal disord of calcium & magnesium metab,unsp | 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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