ICD-10 CM Code Q28.1
Q28.1
Other malformations of precerebral vessels
Inclusion Term
- Congenital malformation of precerebral vessels NOS
- Congenital precerebral aneurysm (nonruptured)
Excludes Type 1
- congenital aneurysm NOS (Q27.8)
- congenital coronary aneurysm (Q24.5)
- ruptured cerebral arteriovenous malformation (I60.8)
- ruptured malformation of precerebral vessels (I72.0)
Excludes Type 2
- congenital peripheral aneurysm (Q27.8)
- congenital pulmonary aneurysm (Q25.79)
- congenital retinal aneurysm (Q14.1)
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