| | | Single nucleotide variant (synonymous variant) | not specified +4 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (nonsense) | not provided | |
| | | Single nucleotide variant (intron variant) | Long QT syndrome +6 more | |
| | | Single nucleotide variant (missense variant) | KCNQ1-related disorder +6 more | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome +3 more | |
| | | Deletion (frameshift variant) | not provided +8 more | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome +1 more | |
| | | Single nucleotide variant (missense variant) | Cardiovascular phenotype +7 more | |
| | | Single nucleotide variant (nonsense) | not provided | |
| | | Single nucleotide variant (missense variant) | not provided +1 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant) | Cardiovascular phenotype +3 more | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome +23 more | GConflicting classifications of pathogenicity |
| | | Deletion (frameshift variant) | Long QT syndrome +4 more | |
| | | Duplication (frameshift variant) | Cardiovascular phenotype +8 more | |
| | | Single nucleotide variant (missense variant) | not provided +7 more | GConflicting classifications of pathogenicity |
| | KCNQ1, KCNQ1OT1 (F352L +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome +2 more | |
| | KCNQ1, KCNQ1OT1 (A359T +4 more) | Single nucleotide variant (missense variant) | not provided +7 more | |
| | | Single nucleotide variant (nonsense) | Cardiovascular phenotype +8 more | |
| | | Single nucleotide variant (missense variant) | not provided +7 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (missense variant) | not provided +1 more | |
| | | Single nucleotide variant (missense variant) | Cardiac arrhythmia +8 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant) | not provided +9 more | GPathogenic/Likely pathogenic |
| | KCNQ1, KCNQ1-AS1 (D611N +5 more) | Single nucleotide variant (missense variant) | not specified +5 more | GConflicting classifications of pathogenicity |