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437.5 - Moyamoya Disease


The ICD 9 Code for Moyamoya disease is listed as 437.5.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 437.5
Long Description: Moyamoya disease
Short Description: Moyamoya disease
Chapter: Diseases Of The Circulatory System
Block: Cerebrovascular Disease (430-438)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: I67.5 - Moyamoya disease
ICD-9-CM Siblings (same level / similar specificity) of 437.5:
437.0 - Cerebral atherosclerosis
437.1 - Other generalized ischemic cerebrovascular disease
437.2 - Hypertensive encephalopathy
437.3 - Cerebral aneurysm, nonruptured
437.4 - Cerebral arteritis
437.6 - Nonpyogenic thrombosis of intracranial venous sinus
437.7 - Transient global amnesia
437.8 - Other ill-defined cerebrovascular disease
437.9 - Unspecified cerebrovascular disease