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I71.6

⚠ Non-billable (Header)

Thoracoabdominal aortic aneurysm, without rupture

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

from I71
  • • Code first: , if applicable:
  • • Code first: syphilitic aortic aneurysm (A52.01)
  • • Code first: traumatic aortic aneurysm (S25.09, S35.09)
✅ No additional coding notes for I71.6

Child Codes (3)

I71.60Thoracoabdominal aortic aneurysm, without rupture, unspecifiedI71.61Supraceliac aneurysm of the thoracoabdominal aorta, without ruptureI71.62Paravisceral aneurysm of the thoracoabdominal aorta, without rupture

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Code Information

CodeI71.6
BillableNo — Header code
ParentI71
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)