ICD-10-CM Code Q21.0
Ventricular septal defect
Billable CodeBillable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
POA Exempt CodeThe Center for Medicare & Medicaid Services (CMS) requires medical coders to indicate whether or not a condition was present at the time of admission, in order to properly assign MS-DRG codes. This "Present On Admission" (POA) indicator is recorded on CMS form 4010A.
Q21.0 is a billable ICD code used to specify a diagnosis of ventricular septal defect. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
POA Indicators on CMS form 4010A are as follows:
|Indicator||Meaning||CMS Will Pay CC/MCC DRG Costs|
|Y||Diagnosis was present at time of inpatient admission||Yes|
|N||Diagnosis was not present at time of inpatient admission||No|
|U||Documentation insufficient to determine if the condition was present at the time of inpatient admission.||No|
|W||Clinically undetermined. Provider unable to clinically determine whether the condition was present at the time of inpatient admission.||Yes|
|1||Exempt from POA reporting||No|
The ICD code Q210 is used to code Ventricular septal defect
A ventricular septal defect (VSD) is a defect in the ventricular septum, the wall dividing the left and right ventricles of the heart.
|ICD 9 Code:||745.4|
"Illustration showing various forms of a ventricular septal defects. 1. Conoventricular, malaligned 2. Perimembranous 3. Inlet 4. Muscular"
Coding Notes for Q21.0 Info for medical coders on how to properly use this ICD-10 code
Inclusion TermsInclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
- Roger's disease
- DRG Group #306-307 - Cardiac congenital and valvular disorders with MCC.
- DRG Group #306-307 - Cardiac congenital and valvular disorders without MCC.
- DRG Group #793 - Full term neonate with major problems.
Related Concepts SNOMET-CT
- Acquired subaortic stenosis due to restrictive ventricular septal defect associated with functionally univentricular heart (disorder)
- Double outlet right ventricle with subpulmonary ventricular septal defect (disorder)
- Left ventricular-right atrial communication (disorder)
ICD-10-CM Alphabetical Index References for 'Q21.0 - Ventricular septal defect'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Q21.0. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 745.4 was previously used, Q21.0 is the appropriate modern ICD10 code.