{{Rsnum
|rsid = 72549353
|geno1=(-;-)
|geno2=(-;AGTT)
|geno3=(AGTT;AGTT)
|Chromosome=22
|Orientation=plus
|Gene=CYP2D6
|position=42524251
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
}}a variation in [[CYP2D6]]