When you bring a measurement instrument to a calibration lab, you assume that your instrument will come back within expected tolerances. But, how do you know? That's where laboratory proficiency tests ...

To maintain the quality of laboratory testing, CLIA requires that laboratories performing moderate or high-complexity testing enroll in an approved proficiency testing program for independent ...

Testing for inborn errors of metabolism is performed by clinical laboratories worldwide, each utilizing laboratory-developed procedures. We sought to summarize performance in the College of American ...

The National Accreditation Board for Testing and Calibration Laboratories (NABL) has successfully conducted its 8th Conclave for Proficiency Testing Providers (PTPs) and Reference Material Producers ...