Dissection of thoracic aorta

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2022, and a category header from FY2023.

Submit one of these 4 more specific codes instead:

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

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Dissection of thoracic aorta
FY2023 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from I71 Aortic aneurysm and dissection

Code first

, if applicable:
syphilitic aortic aneurysm (A52.01)
traumatic aortic aneurysm (S25.09, S35.09)

Codes in the same group

Code	Description	Status
I71.00	Dissection of unspecified site of aorta	Valid
I71.02	Dissection of abdominal aorta	Valid
I71.03	Dissection of thoracoabdominal aorta	Valid