- Q21.16 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 Q21.16 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q21.16 – other international versions of ICD-10 Q21.16 may differ.
ICD-10-CM Q21.16 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
- Sinus venosus defect, NOS
Code History
- 2024 (effective 10/1/2022): New code
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to Q21.16:
- sinus venosus > Abnormal, abnormality, abnormalities
- sinus venosus > atrial septal Q21.10
- sinus venosus > Defect, defective Q89.9