{{Rsnum
|rsid=77331749
|Chromosome=7
|Orientation=minus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene=KCNH2
|position=150947833
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=KCNH2
}}{{omim
|id=152427
|rsnum=77331749
|variant=0024
}}{{ClinVar
|rsid=77331749
|Reversed=1
|FwdREF=C
|FwdALT=T
|REF=G
|ALT=A
|RSPOS=150644921
|CHROM=7
|dbSNPBuildID=131
|SSR=0
|SAO=1
|VP=0x050168000000000002110100
|GENEINFO=KCNH2:3757
|GENE_NAME=KCNH2
|GENE_ID=3757
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000007.13:g.150644921G>A
|CLNSRC=OMIM Allelic Variant
|CLNORIGIN=1
|CLNSRCID=152427.0024
|CLNSIG=5
|CLNCUI=C1835325
|CLNDBN=Long QT syndrome 2; Long QT syndrome 2/9, digenic; not provided
|Disease=Long QT syndrome 2; Long QT syndrome 2/9; not provided
|CLNACC=RCV000015526.24; RCV000015527.24; RCV000058156.1
|Tags=RV;PM;PMC;SLO;OTHERKG;LSD;OM
|CLNDSDB=GeneReviews:MedGen:OMIM:Orphanet; MedGen
|CLNDSDBID=NBK1129:C3150943:613688:101016; C3279093
}}{{PMID Auto
|PMID=15840476
|Title=Compendium of cardiac channel mutations in 541 consecutive unrelated patients referred for long QT syndrome genetic testing.
}}

{{PMID Auto
|PMID=19716085
|Title=Spectrum and prevalence of mutations from the first 2,500 consecutive unrelated patients referred for the FAMILION long QT syndrome genetic test.
|OA=1
}}