{{Rsnum
|rsid=4078248
|Gene=CYP2D6
|Chromosome=22
|position=42522027
|Orientation=plus
|GMAF=0.05831
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}
a variation in [[CYP2D6]]