A: The variant NC_000021.9:g.43776225C>T in gene CSTB is classified as 'Conflicting_classifications_of_pathogenicity' for not_provided|Unverricht-Lundborg_syndrome|Progressive_myoclonic_epilepsy. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0009698,MedGen:C0751785,OMIM:254800,Orphanet:308|MONDO:MONDO:0020074,MedGen:C0751778,OMIM:PS254800,Orphanet:308,Orphanet:98261. Review status: criteria provided, conflicting classifications.