该基因检测物针对高血压用药指导的21个SNP位点,分别为:rs1042714、rs1801253、rs28371725、rs1065852、rs2238032、rs776746、rs10494366、rs12946454、rs1801133、rs5186、rs4344、rs4359、rs1057910、rs1799853、rs16960228、rs4149601、rs7297610、rs4961、rs3892097、rs5065和rs1799752;其中包括用于扩增21个SNP位点的21对上、下游引物,所述21对上、下游引物的核苷酸序列分别如SEQ ID NO:1~42所示。