2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Cerebrovascular Disease 430-438 > Other And Ill-Defined Cerebrovascular Disease 437.* >
 2007 ICD-9-CM Diagnosis 437.5
Moyamoya disease On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 437.5 can be accessed here. - A chronic cerebral vasculopathy primarily occurring in childhood and characterized by slowly progressive carotid artery narrowing and occlusion at the base of the brain. An extensive network of anastomoses forms between branches of the carotid arteries, resulting in a characteristic angiographic appearance. The condition may be idiopathic (classic moyamoya disease) or occur in association with ANEMIA, SICKLE CELL; DOWN SYNDROME; CRANIOCEREBRAL TRAUMA; RADIOTHERAPY induced arterial injury; NEUROFIBROMATOSIS; and other diseases. Clinical manifestations include hemiparesis, headache, seizures, and delayed mental development. In older individuals, this disease may present as SUBARACHNOID HEMORRHAGE. (From Adams et al., Principles of Neurology, 6th ed, p831; Clin Neurol Neurosurg 1997 Oct;99 Suppl 2:S36-8)
- 437.5 is a specific code that can be used to specify a diagnosis
- 437.5 contains 4 index entries
- View the ICD-9-CM Volume 1 437.* hierarchy
Index entries containing 437.5:- Disease, diseased - see also Syndrome
- Moyamoya
 437.5
- Nishimoto (-Takeuchi) 437.5
Moya Moya disease 437.5
Nishimoto (-Takeuchi) disease 437.5
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