Description revised ยท FY2026
Billable: use this code on claims.
- Description changed effective October 1, 2025. Before that it read: Coronal craniosynostosis unilateral.
Code breakdown
Q75.021
- Q75CategoryOther congenital malformations of skull and face bones
- 0Character 4Craniosynostosis
- 2Character 5Coronal craniosynostosis
- 1Character 6Coronal craniosynostosis, unilateral
Coding notes
Inclusion terms
- Non-deformational anterior plagiocephaly
Excludes1 (from Q75.02)
- dolichocephaly (Q67.2)
Excludes1 (from Q75)
- congenital malformation of face NOS (Q18.-)
- congenital malformation syndromes classified to Q87.-
- dentofacial anomalies [including malocclusion] (M26.-)
- musculoskeletal deformities of head and face (Q67.0-Q67.4)
- skull defects associated with congenital anomalies of brain such as:
- anencephaly (Q00.0)
- encephalocele (Q01.-)
- hydrocephalus (Q03.-)
- microcephaly (Q02)
Medicare coverage
Q75.021 is listed as a covered diagnosis in 2 Medicare billing and coding articles:
- A56612 Billing and Coding: CT of the Head
- A57204 Billing and Coding: MRI and CT Scans of the Head and Neck
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ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.