A: The variant NC_000021.9:g.43774637_43774656delinsTT in gene CSTB is classified as 'not_provided' for Unverricht-Lundborg_syndrome. Molecular consequence: SO:0001575: splice_donor_variant. Variant type: Indel. Disease database links: MONDO:MONDO:0009698,MedGen:C0751785,OMIM:254800,Orphanet:308. Review status: no classification provided.