A: The variant NC_000021.9:g.34449393T>C in gene KCNE1 is classified as 'Uncertain_significance' for Long_QT_syndrome|Congenital_long_QT_syndrome|Long_QT_syndrome_5|Cardiovascular_phenotype|not_provided. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976|MONDO:MONDO:0019171,MedGen:C1141890,OMIM:PS192500,Orphanet:101016,Orphanet:768|MONDO:MONDO:0013372,MedGen:C1867904,OMIM:613695,Orphanet:101016,Orphanet:768|MedGen:CN230736|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.