Billable / Specific Code
ICD-10-CM Q75.021 is the diagnosis code for Coronal craniosynostosis, unilateral. This code falls under the section "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where Q75.021 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Q75.021 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Q75.021 is the ICD-10-CM diagnosis code for "Coronal craniosynostosis, unilateral". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Q75.021 is Q75.02 ("Coronal craniosynostosis"). Q75.021 provides a more specific classification within this category.
Q75.021 is located in Section Q65-Q79 — "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 of the ICD-10-CM Tabular List.
Use Q75.021 when the patients documented diagnosis matches "Coronal craniosynostosis, unilateral" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Coronal craniosynostosis, unilateral is Q75.021.
Yes, Q75.021 can be used as a primary diagnosis code since it is billable and specific.
Q75.021 is in Chapter 17 of the ICD-10-CM Tabular List.
Yes, Q75.021 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.