ICD-10-CM Codes Q00-Q99 Q20-Q28 Q21 Q21.21

ICD-10-CM Diagnosis Code Q21.21

Effective Date: 10/01/2022 To 09/30/2025

Partial atrioventricular septal defect

CMS-HCC-V24	CMS-HCC-V28	RxHCC	Age	Gender	Maternity	Acute or Chronic	MCC
--	--	191	--	--	--	Acute	No

Applicable To for Q21.21:

Incomplete atrioventricular canal
Incomplete atrioventricular septal defect
Incomplete endocardial cushion defect
Ostium primum atrial septal defect (type I) with separate atrioventricular valves
Partial atrioventricular canal
Partial endocardial cushion defect

Back-references to Q21.21

Canal see also condition

Defect, defective Q89.9

atrial septal Q21.10
- ostium primum type(type I) Q21.20
  - with
    - separate atrioventricular valves Q21.21
atrioventricular
- septal
  - incomplete Q21.21
  - partial Q21.21
cushion, endocardial Q21.20
- incomplete Q21.21

Incomplete see also condition

Chapter, Section and Diagnosis Prefix for Q21.21