{{Rsnum
|rsid=17597926
|Gene=TCF4
|Chromosome=18
|position=55538707
|Orientation=plus
|GMAF=0.01377
|Gene_s=TCF4
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 0.9 | 6.2 | 92.9
| HCB | 0.0 | 0.0 | 100.0
| JPT | 0.0 | 0.0 | 100.0
| YRI | 0.0 | 0.0 | 100.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 0.0 | 0.0 | 100.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 1.8 | 98.2
| MEX | 0.0 | 6.9 | 93.1
| MKK | 0.0 | 0.7 | 99.3
| TSI | 2.0 | 5.9 | 92.1
| HapMapRevision=28
}}{{PMID Auto
|PMID=22451930
|Title=Schizophrenia risk polymorphisms in the TCF4 gene interact with smoking in the modulation of auditory sensory gating
|OA=1
}}

{{PMID Auto GWAS
|PMID=22688191
|Trait=None
|Title=Genome-wide association study in a Swedish population yields support for greater CNV and MHC involvement in schizophrenia compared with bipolar disorder.
|RiskAllele=
|Pval=1E-7
|OR=1.3600
|ORtxt=None
|OA=1
}}

{{on chip | FTDNA}}
{{on chip | Illumina Human 1M}}