- Q21.11 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 Q21.11 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q21.11 – other international versions of ICD-10 Q21.11 may differ.
ICD-10-CM Q21.11 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
- Fenestrated atrial septum
- Patent or persistent ostium secundum defect (type II)
Code History
- 2024 (effective 10/1/2022): New code
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to Q21.11:
- ostium secundum type (patent persistent) (type II) > atrial septal Q21.10
- secundum > ostium Q21.20
- atrial septum > Fenestration, fenestrated
- atrium (secundum) > closure (congenital) Q45.8
- secundum (arteriosum) (defect) (patent) (persistent) > Ostium
- ostium secundum (type II) > Patent
- secundum > ostium Q21.23