- Q21.19 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM Q21.19 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q21.19 – other international versions of ICD-10 Q21.19 may differ.
ICD-10-CM Q21.19 is grouped within Diagnostic Related Group(s):
- 306 Cardiac congenital and valvular disorders with mcc
- 307 Cardiac congenital and valvular disorders without mcc
Applicable To
- Common atrium
- Other specified atrial septal abnormality
Code History
- 2024 (effective 10/1/2022): New code
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to Q21.19:
- atrial septal, specified NEC > Abnormal, abnormality, abnormalities
- atrial septum (congenital) > Absence (of) (organ or part) (complete or partial)
- septum > Absence (of) (organ or part) (complete or partial)
- atrial (congenital) > septum Q21.19
- septum > Agenesis
- atrial > septum Q21.19
- auricular > septum Q21.9
- interatrial > septum Q21.9
- interauricular septum, defective > Closure
- atrium > Common
- biventriculare > triloculare Q20.8
- specified NEC > atrial septal Q21.10
- interatrial septal > Defect, defective Q89.9
- interauricular septal > Defect, defective Q89.9
- Lutembacher\’s (atrial septal defect with mitral stenosis) > Disease, diseased
- atria > Fusion, fused (congenital)
- auricles, heart > Fusion, fused (congenital)
- interatrial ostium or septum > closure (congenital) Q45.8
- interauricular ostium or septum > closure (congenital) Q45.8
- ostium > closure (congenital) Q45.8
- interatrial > ostium Q21.19
- interauricular > ostium Q21.19
- atrial (secundum) > septum Q21.4
- interatrial (secundum) > septum Q21.4
- interauricular (secundum) > septum Q21.4
- interauricular septum > Patent
- atrial septum, multiple > Perforation, perforated (nontraumatic) (of)
- Lutembacher\’s > Syndrome