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ICD-10-CM Current in FY 2027

Q20.5

Discordant atrioventricular connection

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where Q20.5 sits in the official hierarchy. Each level is the code it is classified under.

  1. Q20 Parent Congenital malformations of cardiac chambers and connections
  2. Q20.5 This code Discordant atrioventricular connection

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Corrected transposition

Inclusion Terms

Levotransposition

Inclusion Terms

Ventricular inversion

Excludes1

dextrocardia with situs inversus ( Q89.3 )

Inherited from Q20 — Congenital malformations of cardiac chambers and connections

Excludes1

mirror-image atrial arrangement with situs inversus ( Q89.3 )

Inherited from Q20 — Congenital malformations of cardiac chambers and connections

Version History

How Q20.5 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Discordant atrioventricular connection

  2. FY 2026 Effective

    Unchanged

    Discordant atrioventricular connection

Related Codes

Other codes under Q20

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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