A: The variant NC_000021.9:g.34370565C>T in gene KCNE2 is classified as 'Likely_benign' for Long_QT_syndrome_6|Cardiovascular_phenotype. 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:CN230736. Review status: criteria provided, multiple submitters, no conflicts.