All ICD10 Codes

I71.2

Non-Billable
ChapterI00–I99
Ranksubcategory
Official Description

Thoracic aortic aneurysm, without rupture

Use a more specific code (4 billable)
I71.20Thoracic aortic aneurysm, without rupture, unspecifiedI71.21Aneurysm of the ascending aorta, without ruptureI71.22Aneurysm of the aortic arch, without ruptureI71.23Aneurysm of the descending thoracic aorta, without rupture
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).
General instructions are available for the parent sections:
View CH9 NotesView I71 Notes

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I70-I79Diseases of arteries, arterioles and capillaries (I70-I79)
I71Aortic aneurysm and dissection
I71.2Thoracic aortic aneurysm, without ruptureNot billable
I71.20Thoracic aortic aneurysm, without rupture, unspecifiedBillable
I71.21Aneurysm of the ascending aorta, without ruptureBillable
I71.22Aneurysm of the aortic arch, without ruptureBillable
I71.23Aneurysm of the descending thoracic aorta, without ruptureBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I71.2:

categoryI71
Aortic aneurysm and dissection
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Code History

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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