A: The variant NC_000021.9:g.34448016_34448019del in gene KCNE1 is classified as 'Likely_benign' for Congenital_long_QT_syndrome|Jervell_and_Lange-Nielsen_syndrome|not_provided|Long_QT_syndrome. Molecular consequence: SO:0001624: 3_prime_UTR_variant. Variant type: Deletion. Disease database links: MONDO:MONDO:0019171,MedGen:C1141890,OMIM:PS192500,Orphanet:101016,Orphanet:768|MONDO:MONDO:0002441,MedGen:C0022387,OMIM:PS220400,Orphanet:90647|MedGen:C3661900|MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976. Review status: criteria provided, multiple submitters, no conflicts.