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Question 202 / 323
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qualitycontrol-202
PROFICIENCY TESTING SUCCESS CRITERIA — The text gives specific criteria for a laboratory to be considered TOTALLY SUCCESSFUL in a proficiency testing category. What are these criteria?
A. All 5 specimens correct in each category with 100% score
B. CORRECT RESULTS ON FOUR OUT OF FIVE SPECIMENS for each analyte in that category AND AN OVERALL SCORE OF AT LEAST 80% FOR THREE CONSECUTIVE CHALLENGES
C. Correct results on 3 out of 5 specimens with 70% overall score
D. Mean result within ±2SD of peer group for all specimens
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