Our guideline summaries are derived from the National Guideline Clearinghouse (NGC). The National Guidelines Clearinghouse was a federally funded database available to the public. Their mission was to provide practitioners, health care providers, health plans, integrated delivery systems, purchasers and others an accessible mechanism for obtaining detailed information on quality measures, and to further their dissemination, implementation, and use in order to inform health care decisions. As of July 16, 2018, the web sites were shut down because federal funding through AHRQ was no longer available to support. Read more on our blog