{{Rsnum
|rsid=6583954
|Gene=CYP2C19
|Chromosome=10
|position=96534263
|Orientation=plus
|GMAF=0.2062
|Gene_s=CYP2C19
|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 | 77.0 | 21.2 | 1.8
| HCB | 43.1 | 48.9 | 8.0
| JPT | 46.0 | 44.2 | 9.7
| YRI | 61.2 | 34.7 | 4.1
| ASW | 77.2 | 21.1 | 1.8
| CHB | 43.1 | 48.9 | 8.0
| CHD | 55.1 | 34.6 | 10.3
| GIH | 53.0 | 33.0 | 14.0
| LWK | 58.2 | 37.3 | 4.5
| MEX | 72.4 | 25.9 | 1.7
| MKK | 71.1 | 25.7 | 3.3
| TSI | 81.4 | 17.6 | 1.0
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=23793025
  |Trait=Migraine
  |Title=Genome-wide meta-analysis identifies new susceptibility loci for migraine.
  |RiskAllele=T
  |Pval=4E-6
  |OR=1.08
  |ORtxt=[1.04-1.11]
  }}

{{PMID Auto
|PMID=17048007
|Title=Association of warfarin dose with genes involved in its action and metabolism.
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}