The DIN EN 15224:2012-12 "Services in Healthcare" is a sector-specific quality management standard that adapts the general provisions of ISO 9001 to the specific requirements of the industry and can be used for certification in healthcare. It also takes into account aspects of clinical risk management. This practical handbook is modular in structure. It facilitates compliance with ISO 9001:2015 for outpatient care services and supports them in preparing for certification. Key content areas include: quality management in outpatient care, care philosophy, care concepts, measurement, analysis and improvement, documentation, and internal audits.