09/23/2020: Lab Advisory: LOINC In-Vitro Diagnostic (LIVD) Codes for SARS-CoV-2 Antigen Tests

CDC's Laboratory Outreach Communication System (LOCS)

Audience: Clinical Laboratory Professionals

Level: Laboratory Advisory

Testing sites should use the following LOINC codes when reporting SARS-CoV-2 antigen test results.

94558-4 (qualitative) – tests for SARS-CoV-2 antigen

95209-3 (qualitative) – tests for SARS-CoV and SARS-CoV-2 antigens

LOINC codes for newly FDA-authorized tests are added regularly – check back often for updates. To find these codes, visit search.loinc.orgexternal icon and search “SARS Ag”. For additional codes for other SARS-CoV-2 tests, refer to the LOINC In-Vitro Diagnostic (LIVD) Test Code Mapping for SARS-CoV-2 Testsexcel icon.

Online resources:

If you have any 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: September 23, 2020