Proficiency testing failures can occur for many different reasons including pre-analytical errors, clerical errors, shifting or trending of quality control, and calibration performance issues. For additional information on documenting a Proficiency Testing failure, please review the Checklist for Corrective Action and ASCP Educational Commentary - Troubleshooting a PT Failure in the Proficiency Testing (PT) Resources section of the Help Desk.
If you have questions, would like assistance with failures, or if you would like to inquire about troubleshooting samples, please contact Technical Support at TechSupport@api-pt.com or 800-333-0958.