A: The variant NC_000021.9:g.34449383G>A in gene KCNE1 is classified as 'Benign/Likely_benign' for not_provided|not_specified|Long_QT_syndrome|Long_QT_syndrome_5|Cardiovascular_phenotype. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MedGen:CN169374|MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976|MONDO:MONDO:0013372,MedGen:C1867904,OMIM:613695,Orphanet:101016,Orphanet:768|MedGen:CN230736. Review status: criteria provided, multiple submitters, no conflicts.