{{Rsnum
|rsid=2189784
|Chromosome=19
|position=15848390
|Orientation=plus
|GMAF=0.3526
|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 | 17.7 | 45.1 | 37.2
| HCB | 8.0 | 40.9 | 51.1
| JPT | 9.7 | 31.0 | 59.3
| YRI | 8.2 | 34.7 | 57.1
| ASW | 7.0 | 40.4 | 52.6
| CHB | 8.0 | 40.9 | 51.1
| CHD | 7.3 | 42.2 | 50.5
| GIH | 20.8 | 44.6 | 34.7
| LWK | 8.2 | 44.5 | 47.3
| MEX | 12.1 | 46.6 | 41.4
| MKK | 18.7 | 47.7 | 33.5
| TSI | 26.5 | 52.9 | 20.6
| HapMapRevision=28
}}
{{PMID Auto
|PMID=19741565
|Title=Effects of CYP4F2 genetic polymorphisms and haplotypes on clinical outcomes in patients initiated on warfarin therapy
}}

{{PMID Auto
|PMID=20504253
|Title=Combined CYP2C9, VKORC1 and CYP4F2 frequencies among racial and ethnic groups
|OA=1
}}

{{PMID Auto
|PMID=18535201
|Title=A genome-wide scan for common genetic variants with a large influence on warfarin maintenance dose.
|OA=1
}}

{{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}}
{{on chip | NatGeo2}}