A: The variant NC_000021.9:g.34370538T>C in gene KCNE2 is classified as 'Likely_benign' for Long_QT_syndrome_6|not_provided. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0013370,MedGen:C3150953,OMIM:613693,Orphanet:101016,Orphanet:768|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.