Atrioventricular septal defect, unspecified as to partial or complete
Billable / specificPOA exempt
Q21.20 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Atrioventricular canal, NOS
- Endocardial cushion defect NOS
- Ostium primum atrial septal defect (type I) NOS
Includes (from Q21)
- Note: Codes from this chapter are not for use on maternal records
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
Also known as
- Atrioventricular canal, NOS
- Endocardial cushion defect NOS
- Ostium primum atrial septal defect (type I) NOS
- Canal, atrioventricular
- Defect, defective, atrial septal, ostium primum type
- Defect, defective, atrioventricular, canal
- Defect, defective, atrioventricular, septal, unspecified as to partial or complete
- Defect, defective, atrioventricular, septum
- Defect, defective, cushion, endocardial
- Defect, defective, ostium, primum
- Endocardium, endocardial, cushion defect
- Imperfect, closure, atrioventricular ostium
- Ostium, primum
- Persistence, persistent, atrioventricular canal
- Persistence, persistent, ostium, primum
- Single, atrium
Parent code
- Q21.2Atrioventricular septal defectHeader