http://qualitymanagementsystem.com/what-is-iso/capa-quality-system-more-than-just-corrective-action/ A CAPA Quality System (CAPA is an acronym for ‘Corrective and Preventive Action’, or ‘Corrective Action, Preventive Action’) is absolutely essential in some format for a complete quality management program. In fact, in at least one quality management system, Good Manufacturing Practices (GMP), it is a requirement and a fundamental tenet of the program. GMP is the quality management system that must be used by pharmaceutical and medical equipment manufacturers to comply with FDA guidelines.