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目的建立实验室多台血液分析仪的溯源方法。方法用可溯源的血液分析仪对新鲜全血的WBC、RBC、HGB、MCV、PLT定植,以此为标准,然后用此新鲜全血校准其他血液分析仪。结果4台用新鲜全血校准的血液分析仪,新鲜全血测定结果偏差符合要求,室内质控合格,经卫生部临床检验中心和云南省临床检验中心EQA验证,测定结果全部合格,偏差符合要求。结论稳定性及重复性好,有条件溯源至二级参考品的血液分析仪,可作为参考机校准实验室其他血液分析仪。
Objective To establish a traceability method for multiple blood analyzers in the laboratory. METHODS: WBC, RBC, HGB, MCV, and PLT were used as the standard for the establishment of fresh whole blood using a traceable blood analyzer. The whole blood was then used to calibrate other blood analyzers. Results Four blood analyzers were calibrated with fresh whole blood. The results of the fresh whole blood measurement met the requirements. The indoor quality control was qualified. The results were verified by the Clinical Laboratory Center of the Ministry of Health and the EQA of the Yunnan Provincial Clinical Laboratory. The results were all satisfactory and the deviations met the requirements. . Conclusions The stability and reproducibility are good. The condition is traceable to the blood analyzer of the secondary reference product. It can be used as a reference machine to calibrate other laboratory blood analyzers.