This video will introduce you to the process and procedures of proficiency testing (PT) in laboratories. You will learn about common types of PT studies: WS, WP, and DMRQA. You will learn how blind standards are used in the PT process to ensure the accuracy of reported analyses. This video shows the proper procedures for the preparation of PT standards, including full-volume standards and other common PT standards that help ensure the highest level of accuracy. You will also learn to report the results for the exact parameters requested in the instructions and on the report form. The video instructs you to report data using Data Report Forms or via electronic data reporting by listing all the information that must be contained in the report. You will also learn what corrective action is and its role in resolving issues so a laboratory can return to generating accurate data. Run time: 29 minutes.