This document provides an overview of laboratory quality management principles. It discusses total quality management philosophy and history. The key aspects covered include the quality management system and its essential elements as defined by ISO 15189, such as organization, personnel, equipment, inventory management, and process control. It also distinguishes between quality assurance and quality control. Accuracy and precision, calibration, and qualification are explained. Statistical tools for quality control like control charts and Pareto analysis are also introduced. The document concludes with the author's laboratory quality policy statement.