{{Rsnum
|rsid = 72549345
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Chromosome=22
|Orientation=plus
|Gene=CYP2D6
|position=42522906
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
}}a variation in [[CYP2D6]]