A: The variant NC_000021.9:g.25698676dup in gene JAM2 is classified as 'Pathogenic' for Basal_ganglia_calcification,_idiopathic,_8,_autosomal_recessive. Molecular consequence: SO:0001574: splice_acceptor_variant. Variant type: Duplication. Disease database links: MONDO:MONDO:0032938,MedGen:C5394199,OMIM:618824. Review status: no assertion criteria provided.