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I71.01

⚠ Non-billable (Header)

Dissection of thoracic aorta

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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✅ No additional coding notes for I71.01

Child Codes (4)

I71.010Dissection of ascending aortaI71.011Dissection of aortic archI71.012Dissection of descending thoracic aortaI71.019Dissection of thoracic aorta, unspecified

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Code Information

CodeI71.01
BillableNo — Header code
ParentI71.0
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)