Effective from
- Title changed
Craniosynostosis, unspecified
Previous title: Craniosynostosis unspecified
Billable diagnosis code
CDC/NCHS · FY2026Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2023-10-01
Latest recorded change · FY2026
Effective from
Craniosynostosis, unspecified
Previous title: Craniosynostosis unspecified
Billable diagnosis code
CDC/NCHS · FY2026| All editions | Effective from | Code history |
|---|---|---|
| FY2024 | 2023-10-01 | Added |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | Title changed |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
Imperfect fusion of skull
Codes from this chapter are not for use on maternal records
Craniosynostosis NOS
Historical assignments from the CDC conversion table support data retrieval. They do not authorize substituting a previous code for the current code.
Previous assignment: Q75.0
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| Q75.001 | Craniosynostosis, unspecified type, unilateral | Billable / specific |
| Q75.002 | Craniosynostosis, unspecified type, bilateral | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗