Category Q23
Non-Billable Category
FY2027 Dataset
Q23: Congenital malformations of aortic and mitral valves
Parent Chapter: Chapter 17: Congenital malformations, deformations and chromosomal abnormalities
Notice on Coding Specificity: Category Q23 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.
Specific Child Codes in Category Q23
| Code | Official Descriptor | Status | Action |
|---|---|---|---|
| Q23.0 | Congenital stenosis of aortic valve | Billable Code | View Code |
| Q23.1 | Congenital insufficiency of aortic valve | Billable Code | View Code |
| Q23.2 | Congenital mitral stenosis | Billable Code | View Code |
| Q23.3 | Congenital mitral insufficiency | Billable Code | View Code |
| Q23.4 | Hypoplastic left heart syndrome | Billable Code | View Code |
| Q23.81 | Bicuspid aortic valve | Billable Code | View Code |
| Q23.82 | Congenital mitral valve cleft leaflet | Billable Code | View Code |
| Q23.88 | Other congenital malformations of aortic and mitral valves | Billable Code | View Code |
| Q23.9 | Congenital malformation of aortic and mitral valves, unsp | Billable Code | View Code |
| Q23 | Congenital malformations of aortic and mitral valves | Non-Billable | View Code |
| Q23.8 | Other congenital malformations of aortic and mitral valves | Non-Billable | View Code |