A: The variant NC_000021.9:g.34511109G>A in gene KCNE1 is classified as 'Uncertain_significance' for Long_QT_syndrome_5|Jervell_and_Lange-Nielsen_syndrome_2. Molecular consequence: SO:0001623: 5_prime_UTR_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0013372,MedGen:C1867904,OMIM:613695,Orphanet:101016,Orphanet:768|MONDO:MONDO:0012871,MedGen:C2676723,OMIM:612347,Orphanet:768,Orphanet:90647. Review status: criteria provided, single submitter.