{{Rsnum
|rsid = 3045547
|geno1=(-;-)
|geno2=(-;TC)
|geno3=(TC;TC)
|Chromosome=22
|Orientation=plus
|Gene=CYP2D6
|position=42524509
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
}}a variation in [[CYP2D6]]