As you have probably already guessed by the title, this book is not a page-turner; there are no life-changing secrets buried here. Rather, it is meant to serve as a resource for both seasoned professionals in and newcomers to the healthcare industry, a resource that provides concise but thorough descriptions of select clinical classification systems and select healthcare databases. We have followed a very simple format. Each entry on a named system or database presents a general description of its current state, followed by a timeline of key points in its evolution. Finally, a summary section...