Comparing Types of Quality Control

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Comparing Types of Quality Control

  • Internal and external quality control programs complement each other.
  • Internal quality control monitors the daily precision and accuracy of methodologies, personnel, and instruments.
  • External quality control maintains long term accuracy.
  • Some key benefits of participation in a proficiency program include:
    1. Demonstration of technical competence
    2. Identification of potential areas for improvement
    3. Increased confidence in the accuracy of the laboratory's testing results
    4. Verification of the effectiveness of training
  • Neither internal nor external quality control should be a lab's sole method of testing verification.