Roche Elecsys Anti-SARS-CoV-2 S Serology Assay

**Semantic type:** Laboratory Procedure

**Definition:** A proprietary immunoassay for the in vitro quantitative determination of antibodies (including IgG) to the SARS-CoV-2 spike (S) protein receptor binding domain (RBD) in human serum and plasma. The assay uses a recombinant protein representing the RBD of the S antigen in a double-antigen sandwich assay format.