Q75.009

Craniosynostosis, unspecified

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q75.009

Synonyms

Imperfect fusion of skull

Inherited from Q75.00Craniosynostosis, unspecified

Synonyms

Craniosynostosis NOS

Inherited from Q75Other congenital malformations of skull and face bones

Excludes 1

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)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities

Excludes 2

inborn errors of metabolism (E70-E88)

Official Guidelines for Q75.009

FY 2026 ›

I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q75.009

IV.QEncounters for routine health screeningsOutpatient services
… Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. …

Sections whose FY 2026 text names Q75.009, its Q75 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q75.009 in the alphabetic index

8 index paths lead to this code