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External Quality Assessment (Proficiency Testing)

This Medical Laboratory Science lesson in Laboratory Quality Management supports laboratory science learning and laboratory interpretation for medical laboratory students and professionals.

Use external unknown or challenge samples to check laboratory performance against peers or expected results, and investigate unacceptable outcomes.

Intermediate9 min read15 sectionsLaboratory Quality Management
Section 1 of 150%

Learning Objectives

Getting started

Section 1 of 15

Learning Objectives

Learning Objectives

Section: Learning Objectives

Each objective is a practical laboratory systems skill, not ISO clause study or regulation memorization.

  • Define EQA/PT as testing external unknown or challenge samples and comparing results with peers or expected performance
  • Explain why unacceptable EQA/PT results require investigation, not dismissal as optional trivia
  • Describe practical MLS actions from challenge receipt through review and follow-up

Section 1 of 15