What is the purpose of proficiency testing (external quality assessment)?

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Multiple Choice

What is the purpose of proficiency testing (external quality assessment)?

Proficiency testing is an external quality assessment that benchmarks a laboratory’s performance against other labs and established standards to confirm accuracy and competence. By testing blinded samples with known values, labs compare their results not only to the target values but also to results from peer laboratories. This helps reveal any systematic biases, method or instrument issues, and overall reliability of testing across runs. It supports ongoing quality, accreditation, and the lab’s credibility. It’s not meant for training new staff, it doesn’t measure patient satisfaction, and it does not replace daily internal quality control, which is the provider of immediate, in-house checks.

Proficiency testing is an external quality assessment that benchmarks a laboratory’s performance against other labs and established standards to confirm accuracy and competence. By testing blinded samples with known values, labs compare their results not only to the target values but also to results from peer laboratories. This helps reveal any systematic biases, method or instrument issues, and overall reliability of testing across runs. It supports ongoing quality, accreditation, and the lab’s credibility. It’s not meant for training new staff, it doesn’t measure patient satisfaction, and it does not replace daily internal quality control, which is the provider of immediate, in-house checks.

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