Ahima.org

The American Health Information Management Association (AHIMA) is the premier association of health information management (HIM) professionals worldwide. Serving 52 affiliated component state associations and more than 67,000 members, it is recognized as the leading source of "HIM knowledge," a respected authority for rigorous professional education and training. 

Founded in 1928 to improve health record quality, AHIMA has played a leadership role in the effective management of health data and medical records needed to deliver quality healthcare to the public.