A: The variant NC_000021.9:g.34449446C>T in gene KCNE1 is classified as 'Likely_benign' for not_specified|Long_QT_syndrome_5. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN169374|MONDO:MONDO:0013372,MedGen:C1867904,OMIM:613695,Orphanet:101016,Orphanet:768. Review status: criteria provided, single submitter.