ICD-10-CM Code Q23.1
Congenital insufficiency of aortic valve
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.POA Exempt Code
The 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.Q23.1 is a billable ICD code used to specify a diagnosis of congenital insufficiency of aortic valve. 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 Q231 is used to code Aortic insufficiency
Aortic insufficiency (AI), also known as aortic regurgitation (AR), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle.
| Specialty: | Medical Genetics |
| MeSH Codes: | D001022, D001022 |
| ICD 9 Codes: | 395.1, 746.4 |
Micrograph of myxomatous degeneration – a cause of aortic insufficiency.
Coding Notes for Q23.1 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion 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. - Bicuspid aortic valve
- Congenital aortic insufficiency
MS-DRG Mapping
- DRG Group #306-307 - Cardiac congenital and valvular disorders with MCC.
- DRG Group #306-307 - Cardiac congenital and valvular disorders without MCC.
Related Concepts SNOMET-CT
- Congenital insufficiency of aortic valve (disorder)
- Bicuspid aortic valve (disorder)
ICD-10-CM Alphabetical Index References for 'Q23.1 - Congenital insufficiency of aortic valve'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Q23.1. 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 746.4 was previously used, Q23.1 is the appropriate modern ICD10 code.
Parent Code: Q23 - Congenital malformations of aortic and mitral valves