Are these tests covid-19 specific or are they based on IgM/IgG? > The results of the tests for IgG, IgA, and IgM levels are usually evaluated together. Abnorma

Are these tests covid-19 specific or are they based on IgM/IgG? > The results of the tests for IgG, IgA, and IgM levels are usually evaluated together. Abnormal test results typically indicate that there is something affecting the immune system and suggest the need for further testing. Immunoglobulins testing is not diagnostic but can be a strong indicator of a disease or condition. There are a number of conditions that are associated with increased and decreased immunoglobulins.