{{Rsnum
|rsid=7917983
|Gene=TCF7L2
|Chromosome=10
|position=114732882
|Orientation=plus
|GMAF=0.3705
|Gene_s=TCF7L2
|Assembly=GRCh37.p10
|GenomeBuild=37.5
|dbSNPBuild=138
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}
{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 17.7 | 48.7 | 33.6
| HCB | 65.7 | 30.7 | 3.6
| JPT | 65.5 | 31.0 | 3.5
| YRI | 67.3 | 29.9 | 2.7
| ASW | 64.9 | 33.3 | 1.8
| CHB | 65.7 | 30.7 | 3.6
| CHD | 54.1 | 37.6 | 8.3
| GIH | 26.7 | 43.6 | 29.7
| LWK | 70.0 | 24.5 | 5.5
| MEX | 27.6 | 50.0 | 22.4
| MKK | 77.6 | 21.2 | 1.3
| TSI | 28.4 | 51.0 | 20.6
| HapMapRevision=28
}}{{PMID Auto
|PMID=24128935
|Title=Impact of TCF7L2 single nucleotide polymorphisms on hydrochlorothiazide-induced diabetes
}}

{{PMID Auto
|PMID=17903298
|Title=Genome-wide association with diabetes-related traits in the Framingham Heart Study.
|OA=1
}}

{{PMID Auto
|PMID=19351735
|Title=Evidence for association between polycystic ovary syndrome (PCOS) and TCF7L2 and glucose intolerance in women with PCOS and TCF7L2.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA}}
{{on chip | Illumina Human 1M}}