Abbott Alinity SARS-CoV-2 IgG Serology Assay

**Semantic type:** Laboratory Procedure

**Definition:** A proprietary chemiluminescent microparticle immunoassay (CMIA) used for the qualitative detection of IgG antibodies to SARS-CoV-2 in human serum and plasma on the Abbott Alinity i system. The persistence of immunoglobulin class G (IgG) antibodies may identify people who have been infected in the past, recovered from the illness, and possibly developed immunity.