Read Guide 8 and be able to:

1. Define proficiency testing (PT) as it pertains to the laboratory.
2. Describe the types of specimens associated with PT.
3. Define the following terms: mean, standard deviation, accuracy, precision, reliability, coefficient of variation, peer groups, comparative method, fixed limits, regulated analyte, testing event, challenge, unsatisfactory, unsuccessful, repeatedly unsuccessful, and reinstatement of an analyte.
4. Explain the enrollment requirements for PT.
5. Define the minimum acceptable testing event score for PT.
6. Compare and contrast the corrective action requirements included in COLA’s Quality Improvement Plan that a laboratory should perform if they have unsatisfactory or unsuccessful PT scores.
7. Discuss the troubleshooting techniques that a laboratory should use if they have a PT failure.
8. State the documentation requirements associated with PT.
9. Identify if an analyte is a regulated analyte.