ICD-10-CM Code Q25.21

Interruption of aortic arch

Version 2020 Billable Code POA Exempt

Valid for Submission

Q25.21 is a billable code used to specify a medical diagnosis of interruption of aortic arch. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code Q25.21 might also be used to specify conditions or terms like abnormality within thorax due to interruption of aortic arch, coarctation of aortic arch, interrupted aortic arch, interrupted aortic arch, interrupted aortic arch, interrupted aortic arch between left common carotid and brachiocephalic artery, etc The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

ICD-10:Q25.21
Short Description:Interruption of aortic arch
Long Description:Interruption of aortic arch

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Q25.21:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Atresia of aortic arch

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Q25.21 are found in the index:


Synonyms

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

  • Abnormality within thorax due to interruption of aortic arch
  • Coarctation of aortic arch
  • Interrupted aortic arch
  • Interrupted aortic arch
  • Interrupted aortic arch
  • Interrupted aortic arch between left common carotid and brachiocephalic artery
  • Interrupted aortic arch distal to left subclavian artery
  • Interruption of aortic arch between left common carotid artery and right common carotid artery
  • Interruption of aortic arch distal to subclavian artery
  • Postductal coarctation of aorta
  • Postductal interruption of aorta

Diagnostic Related Groups

The ICD-10 code Q25.21 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.

  • 306 - CARDIAC CONGENITAL AND VALVULAR DISORDERS WITH MCC
  • 307 - CARDIAC CONGENITAL AND VALVULAR DISORDERS WITHOUT MCC

Present on Admission (POA)

Q25.21 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here .

CMS POA Indicator Options and Definitions
POA Indicator CodePOA Reason for CodeCMS will pay the CC/MCC DRG?
YDiagnosis was present at time of inpatient admission.YES
NDiagnosis was not present at time of inpatient admission.NO
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.NO
WClinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission.YES
1Unreported/Not used - Exempt from POA reporting. NO

Replacement Code

Q2521 replaces the following previously assigned ICD-10 code(s):

  • Q25.2 - Atresia of aorta

Convert Q25.21 to ICD-9

  • 747.11 - Interrupt of aortic arch

Code Classification

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Congenital malformations of the circulatory system (Q20-Q28)
      • Congenital malformations of great arteries (Q25)

Code History

  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020