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Chinese Journal of Clinical Laboratory Management(Electronic Edition) ›› 2025, Vol. 13 ›› Issue (03): 129-134. doi: 10.3877/cma.j.issn.2095-5820.2025.03.001

• Quality Control •    

Setting and application of quality indicator limits for clinical laboratory testing

Zongyong Wu1,2, Junjie Wang2, Xiaoyu Zhang2, Yiteng Lin2, Li Zhang2, Jun Qi2, Bijun Li2, Yongping Lin2,()   

  1. 1 Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
    2 Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen Guangdong 518116, China
  • Received:2024-10-25 Online:2025-08-28 Published:2025-10-15
  • Contact: Yongping Lin

Abstract:

Objective

To explore how to apply quality indicators to improve laboratory testing quality by rationally setting limits for 18 specific quality indicators.

Methods

Based on the relevant data from the Department of Clinical Laboratory, Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College for 2023 and the preliminary national quality specifications for clinical laboratory quality indicators in 2023, the 2024 quality indicator limits for the laboratory department were established.

Results

Compared to 2023, 5 indicators demonstrated continuous improvement in 2024, including blood culture contamination rate, unacceptable internal quality control coefficient of variation rate and participation rate of national external quality assessment project. 13 indicators remained unchanged, including specimen type error rate, specimen container error rate and specimen collection volume error rate.

Conclusions

Clinical laboratories can establish feasible quality indicator limits for the coming year by referencing both the quality specifications provided by the National Center for Clinical Laboratories and their own laboratory-specific performance data. This approach enables comprehensive quality monitoring throughout the entire testing process. It facilitates timely identification of problems, implementation of corrective actions, and evaluation of their effectiveness. Ultimately, this systematic approach supports continuous quality improvement, ensuring efficient and reliable service delivery to clinicians and patients.

Key words: quality indicators, quality monitoring, quality specification, continuous improvement

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