{{Rsnum
|rsid = 72549352
|geno1=(-;-)
|geno2=(-;C)
|geno3=(C;C)
|Chromosome=22
|Orientation=minus
|Gene=CYP2D6
|position=42524213
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
}}a variation in [[CYP2D6]]