Book excerpt: Designated a Doody's Core Title! To keep up with the ever-changing field of health care, we must learn new and re-learn old terminology in order to correctly apply it to practice. By bringing together the most up-to-date abbreviations, acronyms, definitions, and terms in the health care industry, the Dictionary offers a wealth of essential information that will help you understand the ever-changing policies and practices in health insurance and managed care today.