Other congenital malformations of circulatory system - Q28
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- congenital aneurysm NOS (Q27.8)
- congenital coronary aneurysm (Q24.5)
- ruptured cerebral arteriovenous malformation (I60.8)
- ruptured malformation of precerebral vessels (I72.0)
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- congenital peripheral aneurysm (Q27.8)
- congenital pulmonary aneurysm (Q25.79)
- congenital retinal aneurysm (Q14.1)
These ranges represents subcategories of Other congenital malformations of circulatory system. The "Q28" signifies that these are the diseases within this broad category.
Codes:
- 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 - Other specified congenital malformations of circulatory system
- Q28.9 - Congenital malformation of circulatory system, unspecified