October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

Q75 Other congenital malformations of skull and face bones

All 22 codes in the Q75 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.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

22

Can lead a claim

21

Cannot lead a claim

1

What CMS assigns to Q75

21 of the 22 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 22 is assigned a comorbidity subgroup. 21 of the 22 can lead a claim.

Every code in Q75

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
Q75.0 Craniosynostosis
Q75.00 Craniosynostosis, unspecified
Q75.001Craniosynostosis, unspecified type, unilateralCan lead a claimANone
Q75.002Craniosynostosis, unspecified type, bilateralCan lead a claimANone
Q75.009Craniosynostosis, unspecifiedCan lead a claimANone
Q75.01Sagittal craniosynostosisCan lead a claimANone
Q75.02 Coronal craniosynostosis
Q75.021Coronal craniosynostosis, unilateralCan lead a claimANone
Q75.022Coronal craniosynostosis, bilateralCan lead a claimANone
Q75.029Coronal craniosynostosis, unspecifiedCan lead a claimANone
Q75.03Metopic craniosynostosisCan lead a claimANone
Q75.04 Lambdoid craniosynostosis
Q75.041Lambdoid craniosynostosis, unilateralCan lead a claimANone
Q75.042Lambdoid craniosynostosis, bilateralCan lead a claimANone
Q75.049Lambdoid craniosynostosis, unspecifiedCan lead a claimANone
Q75.05 Multi-suture craniosynostosis
Q75.051Cloverleaf skullCan lead a claimANone
Q75.052PansynostosisCan lead a claimANone
Q75.058Other multi-suture craniosynostosisCan lead a claimANone
Q75.08Other single-suture craniosynostosisCan lead a claimANone
Q75.1Craniofacial dysostosisCan lead a claimANone
Q75.2HypertelorismCan lead a claimANone
Q75.3MacrocephalyCan lead a claimANone
Q75.4Mandibulofacial dysostosisCan lead a claimANone
Q75.5Oculomandibular dysostosisCan lead a claimANone
Q75.8Other specified congenital malformations of skull and face bonesCMS: Oth congenital malformations of skull and face bonesCan lead a claimANone
Q75.9Congenital malformation of skull and face bones, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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