ICD-10 Code for Craniosynostosis
The ICD-10-CM code for craniosynostosis is Q75.009 — Craniosynostosis, unspecified. This is the code the Alphabetic Index gives for craniosynostosis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Q75.009 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which craniosynostosis code should you use?
The Alphabetic Index lists 13 codes under Craniosynostosis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| bilateral | Q75.002 | Craniosynostosis, unspecified type, bilateral | |
| coronal | Q75.029 | Coronal craniosynostosis, unspecified | |
| lambdoid | Q75.049 | Lambdoid craniosynostosis, unspecified | |
| metopic | Q75.03 | Metopic craniosynostosis | |
| multi-suture, specified NEC | Q75.058 | Other multi-suture craniosynostosis | |
| sagittal | Q75.01 | Sagittal craniosynostosis | |
| single-suture, specified NEC | Q75.08 | Other single-suture craniosynostosis | |
| unilateral | Q75.001 | Craniosynostosis, unspecified type, unilateral |
Craniosynostosis coronal
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources