Approved: methodology for conducting unannounced surveys within an 18-39 month window.
D000068:Accreditation / Q000592:standards*; D019985:Benchmarking / Q000379:methods; D003625:Data Collection / Q000379:methods / Q000592:standards*; D006761:Hospitals / Q000592:standards*; D006801:Humans; D007591:Joint Commission on Accreditation of Healthcare Organizations; D017064:Process Assessment, Health Care / Q000379:methods / Q000592:standards; D013997:Time Factors; D014481:United States