National Guideline Clearinghouse to Go Down on July 16 July 13, 2018 General Misc The National Guideline Clearinghouse (guideline.gov), maintained by the US Department of Health and Human Services (DHHS), is scheduled to be taken offline on July 16 due to lack of federal funding. The database is a comprehensive repository of medical guidelines that is consulted by physicians and others in the medical community for clinical decision making. Questions can be directed to the DHHS at Mary.Nix@ahrq.hhs.gov.