I71.012

Billable
ChapterI00–I99
Ranksubcategory
Official Description

Dissection of descending thoracic aorta

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 9: Diseases of the Circulatory System (I00-I99).
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I70-I79Diseases of arteries, arterioles and capillaries (I70-I79)
I71Aortic aneurysm and dissection
I71.0Dissection of aorta
I71.01Dissection of thoracic aorta
I71.012Dissection of descending thoracic aortaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I71.012:

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

Code History

  • FY 2022: This code replaced I71.01 (Dissection of thoracic aorta)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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