This proficiency testing sample is designed for laboratories performing urine drug screening to assess and verify their testing accuracy. It provides an external quality control specimen to help ensure reliable and consistent results in clinical laboratory settings. Each unit is a single proficiency testing sample.
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This proficiency testing sample is designed for laboratories performing urine drug screening to assess and verify their testing accuracy. It provides an external quality control specimen to help ensure reliable and consistent results in clinical laboratory settings. Each unit is a single proficiency testing sample.
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