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Quality Assurance

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Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
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An analytical methodology can be divided into four sequential steps: technique, method, procedure, and protocol. A technique is a scientific principle that rationalizes a specific phenomenon through chemical measurements. Adapting a technique for analyzing a sample of interest is termed a method. The procedure outlines the directions for performing the analysis via an analytical method. The protocol is the detailed guidelines on the procedure, which should be strictly followed to obtain the...
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Extra-analytical quality indicators and laboratory performances.

Laura Sciacovelli1, Ada Aita1, Mario Plebani1

  • 1Department of Laboratory Medicine, University Hospital, Padova, Italy.

Clinical Biochemistry
|March 29, 2017
PubMed
Summary
This summary is machine-generated.

Quality indicators (QIs) improve laboratory medicine performance in the extra-analytical phases of the Total Testing Process (TTP). Participation in inter-laboratory comparisons using the Model of Quality Indicators (MQI) demonstrates stable quality and identifies areas for improvement, enhancing patient safety.

Keywords:
Extra-analytical phasesLaboratory errorsPatient safetyQuality indicators

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Area of Science:

  • Laboratory Medicine
  • Quality Management Systems
  • Patient Safety

Background:

  • Growing awareness among laboratory medicine professionals regarding the effectiveness of quality indicators (QIs).
  • Focus on monitoring and improving extra-analytical phases of the Total Testing Process (TTP).
  • Importance of internal assessment and inter-laboratory comparison for QI management.

Purpose of the Study:

  • To evaluate the effectiveness of the Model of Quality Indicators (MQI) in managing QIs.
  • To assess laboratory performance through inter-laboratory comparisons.
  • To identify trends in quality levels and areas for improvement in the TTP.

Main Methods:

  • Adoption of the Model of Quality Indicators (MQI) proposed by the WG-LEPS of IFCC.
  • Monthly collection of data from participating laboratories.
  • Regular issuance of reports with statistical results and Six Sigma metric evaluation.

Main Results:

  • Overall stability in quality levels observed when compared to 2014 data.
  • Demonstrated improvement in specific activities over time.
  • Identification of processes requiring further improvement through continuous QI monitoring.

Conclusions:

  • Continuous monitoring of QI data highlights opportunities for improvement.
  • Participation in the WG-LEPS inter-laboratory program is valuable for enhancing TTP quality.
  • Active participation promotes error reduction and improves patient safety.