11/13/2020: Lab Update: CDC Updates FAQs to Include Information on Cycle Threshold Values

CDC's Laboratory Outreach Communication System (LOCS)

Audience: Clinical Laboratory Professionals

Level: Laboratory Update

CDC recently updated the Frequently Asked Questions (FAQs) about COVID-19 for Laboratories to include new information on cycle threshold (Ct) values for reverse transcriptase – polymerase chain reaction (RT-PCR) tests for SARS-CoV-2. Click here to view the updated FAQs.

Online resources:

For questions, please contact us at LOCS@cdc.gov.

Thank you,

The Laboratory Outreach Communication System

Laboratory Outreach Communication System | Division of Laboratory Systems (DLS)

Center for Surveillance, Epidemiology, and Laboratory Services (CSELS)

Centers for Disease Control and Prevention (CDC)



Page last reviewed: November 13, 2020