Transfusion QAP began development of Performance Levels for the General Compatibility module some time ago. This evolved over time and in 2011 the scoring system was changed to the current system where results are deducted for incorrect answers. Performance Levels were communicated to participants before the Performance Monitoring project was piloted in 2012.
The General Compatibility Module contains 6 surveys per year and is designed for laboratories that routinely prepare blood for transfusion for patients with or without allo‐antibodies.
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The Role of External Quality Assurance in Identifying Poor Laboratory Performance(PDF 518 KB)