Q28Other congenital malformations of circulatory system
ICD-10-CM category (non-billable header) code — part of Congenital malformations of the circulatory system (Q20-Q28)
Coding Notes
Excludes1 (never code both together)
- congenital aneurysm NOS (Q27.8)
- congenital coronary aneurysm (Q24.5)
- ruptured cerebral arteriovenous malformation (I60.8)
- ruptured malformation of precerebral vessels (I72.0)
Excludes2 (not part of this condition — may code both)
- congenital peripheral aneurysm (Q27.8)
- congenital pulmonary aneurysm (Q25.79)
- congenital retinal aneurysm (Q14.1)
Subcategories (6)
- Q28.0 Arteriovenous malformation of precerebral vessels
- Q28.1 Other malformations of precerebral vessels
- Q28.2 Arteriovenous malformation of cerebral vessels
- Q28.3 Other malformations of cerebral vessels
- Q28.8 Oth congenital malformations of circulatory system
- Q28.9 Congenital malformation of circulatory system, unspecified