ICD-10-CM > Q00-QA0 > Q20-Q28 > Q28 > Q28.1 Q28.1 Other malformations of precerebral vessels Billable/Specific Copy Code Copy Description Applicable To Congenital malformation of precerebral vessels NOSCongenital precerebral aneurysm (nonruptured)
ICD-10 Fast ICD-10 Fast