A: The variant NC_000021.9:g.34449448G>A in gene KCNE1 is classified as 'Likely_benign' for Long_QT_syndrome_5|not_specified. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0013372,MedGen:C1867904,OMIM:613695,Orphanet:101016,Orphanet:768|MedGen:CN169374. Review status: criteria provided, single submitter.