Moyamoya disease MSH:D009072 NCI:C84895 DOID:13099 progressive intracranial arterial occlusion (disorder) disease_ontology ICD9CM:437.5 Moyamoya disease SNOMEDCT_2010_1_31:89142007 OMIM:252350 UMLS_CUI:C0026654 Moyamoya disease (disorder) SNOMEDCT_2010_1_31:69116000 OMIM mapping confirmed by DO. [SN]. cerebral arterial disease