ICD-10-CM › Chapter 17 Congenital malformations,... › Q20-Q28
Q20-Q28 - Congenital malformations of the circulatory system
118 ICD-10-CM codes sit in this section, of which 102 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.
- 118 codes
- 102 billable FY2027
- 16 not billable, retired or subdivided
- 9 categories
Categories
Each of these is a three-character category. Most are not billable on their own - the billable code is one of the children listed on its page.
| Code | Description | Status |
|---|---|---|
| Q20 | Congenital malformations of cardiac chambers and connections | Not billable |
| Q21 | Congenital malformations of cardiac septa | Not billable |
| Q22 | Congenital malformations of pulmonary and tricuspid valves | Not billable |
| Q23 | Congenital malformations of aortic and mitral valves | Not billable |
| Q24 | Other congenital malformations of heart | Not billable |
| Q25 | Congenital malformations of great arteries | Not billable |
| Q26 | Congenital malformations of great veins | Not billable |
| Q27 | Other congenital malformations of peripheral vascular system | Not billable |
| Q28 | Other congenital malformations of circulatory system | Not billable |
Or browse all ICD-10-CM codes by first character, check a list of codes with the batch validity checker, or see what changed in each release.