Q75.021 Coronal craniosynostosis, unilateral

The ICD-10-CM code for Coronal craniosynostosis, unilateral is Q75.021 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

17: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Section

Q65-Q79: Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)

Category Q75

28 codes (22 billable)

FY2026 Status

Description revised for FY2026

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Q75.021:

• Plagiocephaly › non-deformational › anterior
• Craniosynostosis › coronal › unilateral

Inclusion Terms

• Non-deformational anterior plagiocephaly

U.S. Hospital Utilization

• An estimated 90 U.S. inpatient stays in 2023 included Q75.021 among the documented diagnoses.
• 85 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

POA indicator for congenital conditions/anomalies and Q00-Q99 exception

Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. Congenital conditions are always considered present on admission.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference Q75.021 with the canonical source and edition:

Q75.021 — Coronal craniosynostosis, unilateral. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Q75.021

Canonical URL: https://icd10codingpro.com/codes/Q75.021