Q20-Q28
Congenital malformations of the circulatory system
Congenital malformations of the circulatory system (Q20-Q28) is a block within ICD-10-CM Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders. It holds 9 categories.
Categories in Q20-Q28
- Q20Congenital malformations of cardiac chambers and connectionscategory
- Q21Congenital malformations of cardiac septacategory
- Q22Congenital malformations of pulmonary and tricuspid valvescategory
- Q23Congenital malformations of aortic and mitral valvescategory
- Q24Other congenital malformations of heartcategory
- Q25Congenital malformations of great arteriescategory
- Q26Congenital malformations of great veinscategory
- Q27Other congenital malformations of peripheral vascular systemcategory
- Q28Other congenital malformations of circulatory systemcategory
Source
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.