Interim Guidelines for Collecting, Handling, and Testing Clinical Specimens for COVID-19 [Updated July 8, 2020] [open pdf - 1MB]
From the Document: "Healthcare providers considering testing people with possible COVID-19 [coronavirus disease 2019] should work with their local and state health departments to coordinate testing through public health laboratories, or work with commercial or clinical laboratories using viral tests granted an Emergency Use Authorization (EUA) by the U.S. Food and Drug Administration. CDC [Centers for Disease Control and Prevention] has guidance for who should be tested, but decisions about who should be tested are at the discretion of state and local health departments and/or healthcare providers. Testing for other pathogens by the provider should be done as part of the initial evaluation, as indicated, but should not delay testing for SARS-CoV-2 [severe acute respiratory syndrome coronavirus 2], the virus that causes COVID-19."
U.S. Centers for Disease Control and Prevention: https://www.cdc.gov/