{{Rsnum
|rsid=6494223
|Gene=CHRNA7
|Chromosome=15
|position=32104256
|Orientation=plus
|GMAF=0.4578
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=CHRNA7
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 33.6 | 50.4 | 15.9
| HCB | 13.1 | 54.0 | 32.8
| JPT | 15.9 | 46.0 | 38.1
| YRI | 25.2 | 50.3 | 24.5
| ASW | 33.3 | 45.6 | 21.1
| CHB | 13.1 | 54.0 | 32.8
| CHD | 11.1 | 47.2 | 41.7
| GIH | 26.7 | 55.4 | 17.8
| LWK | 40.0 | 40.9 | 19.1
| MEX | 29.3 | 51.7 | 19.0
| MKK | 42.3 | 39.7 | 17.9
| TSI | 36.3 | 47.1 | 16.7
| HapMapRevision=28
}}
A significant association between delusions and the [[rs6494223]](T) allele (odds ratio 1.63, CI: 1.22-2.17, p = 0.014, ) was found in a cohort of [[Alzheimer's disease]] patients in Northern Ireland.{{PMID|18696274}}

{{PMID Auto
|PMID=20463630
|Title=Evidence for association of the non-duplicated region of CHRNA7 gene with bipolar disorder but not with Schizophrenia
}}

{{PMID Auto
|PMID=21550667
|Title=CHRNA7 haplotypes are associated with impaired attention in euthymic bipolar disorder.
}}

{{PMID Auto
|PMID=25054019
|Title=Meta-analyses of 10 polymorphisms associated with the risk of schizophrenia
}}
{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}