{{Rsnum
|rsid=131690
|Gene=BCR
|Chromosome=22
|position=23305822
|Orientation=plus
|GMAF=0.4399
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=BCR
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 15.2 | 54.5 | 30.4
| HCB | 59.1 | 37.2 | 3.6
| JPT | 56.6 | 33.6 | 9.7
| YRI | 36.7 | 51.7 | 11.6
| ASW | 36.8 | 43.9 | 19.3
| CHB | 59.1 | 37.2 | 3.6
| CHD | 60.2 | 36.1 | 3.7
| GIH | 16.8 | 41.6 | 41.6
| LWK | 31.8 | 46.4 | 21.8
| MEX | 22.4 | 43.1 | 34.5
| MKK | 32.7 | 48.7 | 18.6
| TSI | 20.6 | 50.0 | 29.4
| HapMapRevision=28
}}
[[rs131690]], a SNP in the [[BCR]] gene on chromosome 22, has been associated with increased risk for [[bipolar disorder]]. The odds ratio for carriers of the minor allele (G) are reported as 1.50 (CI:1.14 - 2.03, p=0.0063) based on a study of 171 Japanese patients.{{PMID|15866548}}

{{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}}