Billable / Specific Code
ICD-10-CM I71.9 is the diagnosis code for Aortic aneurysm of unspecified site, without rupture. This code falls under the section "Diseases of arteries, arterioles and capillaries" within Chapter 9 — Diseases of the circulatory system (I00-I99). 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 I71.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I71.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I71.9 is the ICD-10-CM diagnosis code for "Aortic aneurysm of unspecified site, without rupture". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I71.9 is I71 ("Aortic aneurysm and dissection"). I71.9 provides a more specific classification within this category.
I71.9 is located in Section I70-I79 — "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.
I71.9 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use I71.9 when the patients documented diagnosis matches "Aortic aneurysm of unspecified site, without rupture" 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 Aortic aneurysm of unspecified site, without rupture is I71.9.
Yes, I71.9 can be used as a primary diagnosis code since it is billable and specific.
I71.9 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I71.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.