Serology external quality assessment challenges when methods don’t agree: which is correct?

Key Points

• The aim is to analyze the challenges in interpreting method performance in serology external quality assessments.
• Assessment of external quality assessment programs
• Analysis of method performance in serological testing
• Evaluation of consensus and agreement between different assays
• Different assays often lack agreement
• Challenges arise in interpreting method performance
• Need for improved external quality assessments is highlighted