2024 ICD-10-CM Diagnosis Code I71.011

Dissection of aortic arch

ICD-10-CM Code:
ICD-10 Code for:
Dissection of aortic arch
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Code Navigator:

Code Classification

  • Diseases of the circulatory system
    • Diseases of arteries, arterioles and capillaries
      • Aortic aneurysm and dissection

I71.011 is a billable diagnosis code used to specify a medical diagnosis of dissection of aortic arch. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Dissection of aortic arch
  • Dissection of aortic arch
  • Dissection of ascending aorta and aortic arch
  • Dissection of thoracic aorta

Clinical Classification

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Replacement Code

I71011 replaces the following previously assigned ICD-10-CM code(s):

  • I71.01 - Dissection of thoracic aorta

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - Code Added, effective from 10/1/2022 through 9/30/2023


[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.