ICD-10-CM Q25.46 is the diagnosis code for Tortuous aortic arch. This code falls under the section "Congenital malformations of the circulatory 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 Q25.46 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Q25.46 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Q25.46 is the ICD-10-CM diagnosis code for "Tortuous aortic arch". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Q25.46 is Q25.4 ("Other congenital malformations of aorta"). Q25.46 provides a more specific classification within this category.
Q25.46 is located in Section Q20-Q28 — "Congenital malformations of the circulatory system" within Chapter 17 of the ICD-10-CM Tabular List.
Use Q25.46 when the patients documented diagnosis matches "Tortuous aortic arch" 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 Tortuous aortic arch is Q25.46.
Yes, Q25.46 can be used as a primary diagnosis code since it is billable and specific.
Q25.46 is in Chapter 17 of the ICD-10-CM Tabular List.
Yes, Q25.46 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.