血站系统供血者的血液筛选是安全输血的重要措施。为了提高全国血站检验室的检验水平 ,确保供血及各类血液制品的质量 ,笔者与中国医学科学院输血研究所及卫生部临床检验中心合作 ,从 1992年起开展了全国血站和单采浆点检验室室间质控的调查。调查内容为血液常规筛选中的ＡＬＴ Blood screening by blood donors is an important measure for safe blood transfusion. In order to improve the inspection level of the blood station inspection room in the whole country and ensure the quality of blood supply and various blood products, the author cooperated with the Institute of Blood Transfusion of the Chinese Academy of Medical Sciences and the Clinical Laboratory Center of the Ministry of Health to carry out the national blood station and single plasma pumping since 1992. Point Inspection Laboratory Room Quality Control Survey. Survey content is ALT in routine blood screening