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ICD-10-CM Current in FY 2027

Q21.15

Inferior sinus venosus atrial septal defect

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

Hierarchy

Where Q21.15 sits in the official hierarchy. Each level is the code it is classified under.

  1. Q21 Congenital malformations of cardiac septa
  2. Q21.1 Parent Atrial septal defect
  3. Q21.15 This code Inferior sinus venosus atrial septal defect

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

Inferior vena cava type atrial septal defect

Excludes1

acquired cardiac septal defect ( I51.0 )

Inherited from Q21 — Congenital malformations of cardiac septa

Excludes2

ostium primum atrial septal defect (type I) ( Q21.20 )

Inherited from Q21.1 — Atrial septal defect

Version History

How Q21.15 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Inferior sinus venosus atrial septal defect

  2. FY 2026 Effective

    Unchanged

    Inferior sinus venosus atrial septal defect

Related Codes

Other codes under Q21.1

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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