Agency for Healthcare Research and Quality is an agency of the U.S. Department of Health and Human Services. The Agency is responsible for conducting research into improving the quality of healthcare, reducing its cost, addressing patient safety and medical errors, and broadening access to essential healthcare services. It also helps people in making more informed decisions and in improving the quality of health care services. The Agency is also responsible for regulating the Patient Safety Organizations. The purpose of the Agency is to improve quality, safety, efficiency and effectiveness of healthcare in America.