ICD-10 · PDGM grouping
P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy
All 12 codes in the P00 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
10
Cannot lead a claim
2
What CMS assigns to P00
10 of the 12 codes group to MMTA - Other; 2 are assigned no clinical group. None of the 12 is assigned a comorbidity subgroup. 10 of the 12 can lead a claim. CMS attaches a code-first note to all 12.
Code first
CMS grouper convention 12, on all 12 codes. Code first:
- underlying disease
Every code in P00
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 |
|---|---|---|---|---|
| P00.0 | Newborn affected by maternal hypertensive disorders | Can lead a claim, code first applies | A | None |
| P00.1 | Newborn affected by maternal renal and urinary tract diseasesCMS: Newborn aff by maternal renal and urinary tract diseases | Can lead a claim, code first applies | A | None |
| P00.2 | Newborn affected by maternal infectious and parasitic diseasesCMS: Newborn affected by maternal infec/parastc diseases | Can lead a claim, code first applies | A | None |
| P00.3 | Newborn affected by other maternal circulatory and respiratory diseasesCMS: Newborn affected by other maternal circ and resp diseases | Can lead a claim, code first applies | A | None |
| P00.4 | Newborn affected by maternal nutritional disorders | Can lead a claim, code first applies | A | None |
| P00.5 | Newborn affected by maternal injury | Can lead a claim, code first applies | A | None |
| P00.6 | Newborn affected by surgical procedure on mother | Can lead a claim, code first applies | A | None |
| P00.7 | Newborn affected by other medical procedures on mother, not elsewhere classifiedCMS: Newborn affected by other medical procedures on mother, NEC | Can lead a claim, code first applies | A | None |
| P00.8 Newborn affected by other maternal conditions | ||||
| P00.81 | Newborn affected by periodontal disease in mother | Can lead a claim, code first applies | A | None |
| P00.82 | Newborn affected by (positive) maternal group B streptococcus (GBS) colonizationCMS: NB aff by (positive) matern group B strep (GBS) colonization | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| P00.89 | Newborn affected by other maternal conditions | Can lead a claim, code first applies | A | None |
| P00.9 | Newborn affected by unspecified maternal condition | 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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