This document discusses quality management in health laboratories. It defines quality and outlines approaches to quality management including planning, organizing, staffing, leading and controlling processes. Key elements of a quality management system are described such as organization, personnel, equipment, purchasing, process control, information management, documents/records, occurrence management and assessment. The document emphasizes that a quality management system involves coordinated activities across all aspects of laboratory operations to ensure quality. External quality assessment through proficiency testing is also discussed as an important tool for evaluating laboratory performance.