Q21.14
✓ Billable
Superior sinus venosus atrial septal defect
ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities
Code
Q21.14
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Congenital Malformations, Deformations and Chromosomal Abnormalities
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Q21.14?
ICD-10-CM code Q21.14 represents Superior sinus venosus atrial septal defect. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.
Is Q21.14 billable?
Yes. Q21.14 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Q21.14 in?
Q21.14 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.
Related codes in the Q21 category
Q21
Congenital malformations of cardiac septa
Non-billable
Q21.0
Ventricular septal defect
Billable
Q21.1
Atrial septal defect
Non-billable
Q21.2
Atrioventricular septal defect
Non-billable
Q21.3
Tetralogy of Fallot
Billable
Q21.4
Aortopulmonary septal defect
Billable
Q21.8
Other congenital malformations of cardiac septa
Billable
Q21.9
Congenital malformation of cardiac septum, unspecified
Billable
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