ICD-10 · PDGM grouping
P12 Birth injury to scalp
All 8 codes in the P12 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 P12
7 of the 8 codes group to MMTA - Other (6) and Neuro Rehabilitation (1); 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 P12
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 |
|---|---|---|---|---|
| P12.0 | Cephalhematoma due to birth injury | Can lead a claim | A | None |
| P12.1 | Chignon (from vacuum extraction) due to birth injury | Can lead a claim | A | None |
| P12.2 | Epicranial subaponeurotic hemorrhage due to birth injury | Can lead a claim | B | None |
| P12.3 | Bruising of scalp due to birth injury | Can lead a claim | A | None |
| P12.4 | Injury of scalp of newborn due to monitoring equipment | Can lead a claim | A | None |
| P12.8 Other birth injuries to scalp | ||||
| P12.81 | Caput succedaneum | Can lead a claim | A | None |
| P12.89 | Other birth injuries to scalp | Can lead a claim | A | None |
| P12.9 | Birth injury to scalp, 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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