I71.20
✓ Billable
Thoracic aortic aneurysm, without rupture, unspecified
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I71.20
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code I71.20?
ICD-10-CM code I71.20 represents Thoracic aortic aneurysm, without rupture, unspecified. It is a billable diagnosis code in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I71.20 billable?
Yes. I71.20 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is I71.20 in?
I71.20 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I71 category
I71
Aortic aneurysm and dissection
Non-billable
I71.0
Dissection of aorta
Non-billable
I71.1
Thoracic aortic aneurysm, ruptured
Non-billable
I71.2
Thoracic aortic aneurysm, without rupture
Non-billable
I71.3
Abdominal aortic aneurysm, ruptured
Non-billable
I71.4
Abdominal aortic aneurysm, without rupture
Non-billable
I71.5
Thoracoabdominal aortic aneurysm, ruptured
Non-billable
I71.6
Thoracoabdominal aortic aneurysm, without rupture
Non-billable
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