Transcription of Quality Control (QC) Troubleshooting Guide
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Blood BankingCentrifugationChemistryFlow CytometryHematologyHemostasisImmunoassay Information SystemsLab AutomationMolecular DiagnosticsRapid DiagnosticsBR-16544 AQuality Control (QC) Information and Troubleshooting Guide UniCel DxC Clinical Chemistry Systems UniCel DxC Integrated Systems1 Quality ControlIntroductionQuality controls are samples of known concentration that are used to monitor system performance and verify calibration. The system presents Quality Control (QC) data in both a summary format and in a chart format. It applies Westgard QC rules to the data to help determine assay and system QC samples when your laboratory protocol indicates that Control material should be analyzed.
Guideline C24-A3 STATISTICAL QUALITY CONTROL FOR QUANTITATIVE MEASUREMENT PROCEDURES. QC Flag Determination The DxC uses the Z-score method to standardize the scale of a normally distributed measurement variable. For an individual control result, the Z-score represents the distance in standard deviations from the assigned mean.
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