This document discusses quality performance indicators in clinical laboratories and their importance for patient safety. It defines quality performance indicators as measurable metrics that laboratories use to monitor performance in meeting strategic goals. The document lists many common quality indicators for different areas of the total testing process, from pre-analytic to analytic to post-analytic. It emphasizes that quality indicators help improve quality, pinpoint potential problems, and ensure patient safety. The document stresses the importance of benchmarking and selecting indicators based on criteria like validity, reliability and feasibility.