{{Rsnum
|rsid=2159100
|Gene=CACNA1C
|Chromosome=12
|position=2237227
|Orientation=plus
|GMAF=0.3053
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=CACNA1C
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 43.4 | 43.4 | 13.3
| HCB | 88.3 | 10.2 | 1.5
| JPT | 87.6 | 12.4 | 0.0
| YRI | 18.4 | 42.9 | 38.8
| ASW | 21.1 | 52.6 | 26.3
| CHB | 88.3 | 10.2 | 1.5
| CHD | 89.9 | 10.1 | 0.0
| GIH | 51.5 | 43.6 | 5.0
| LWK | 17.3 | 50.9 | 31.8
| MEX | 48.3 | 41.4 | 10.3
| MKK | 38.7 | 52.9 | 8.4
| TSI | 56.9 | 37.3 | 5.9
| HapMapRevision=28
}}

[http://blog.23andme.com/2008/08/18/snpwatch-snps-in-ion-channel-genes-are-associated-with-type-2-diabetes-and-bipolar-disorder/ 23andMe blog] ({{PMID|18711365|OA=1
}}) [[rs1006737]] or ([[rs2159100]]) Each T at this SNP increased the odds of [[bipolar disorder]] by 1.18 times compared to having two CC copies

{{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}}