{{Rsnum
|rsid=9332239
|Gene=CYP2C9
|Chromosome=10
|position=96748777
|Orientation=plus
|ReferenceAllele=C
|MissenseAllele=T
|GMAF=0.001837
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}
{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 100.0 | 0.0 | 0.0
| HCB | 100.0 | 0.0 | 0.0
| JPT | 100.0 | 0.0 | 0.0
| YRI | 100.0 | 0.0 | 0.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 100.0 | 0.0 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}[[rs9332239]], also known as 1465C>T, 50338C>T or P489S, is a SNP in the [[CYP2C9]] gene.

The [[rs9332239]](T) allele defines the CYP2C9*12 variant.

According to [https://www.23andme.com/you/community/thread/1144/ a 23andMe discussion] This is one of the SNPs which were re-analyzed April 2009. Customers with older data may wish to redownload. SNPs effected [[rs4420638]], [[rs34276300]], [[rs3091244]], [[rs34601266]], [[rs2033003]], [[rs7900194]], [[rs9332239]], [[rs28371685]], [[rs1229984]], and [[rs28399504]].

{{PMID Auto
|PMID=23688605
|Title=First report of warfarin dose requirements in patients possessing the CYP2C9*12 allele.
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | HumanOmni1Quad}}