{{Rsnum
|rsid = 56358138
|geno1=(-;-)
|geno2=(-;TTTTT)
|geno3=(TTTTT;TTTTT)
|Chromosome=22
|Orientation=plus
|Gene=CYP2D6
|position=42528056
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=132
}}a variation in [[CYP2D6]]