Immunological Testing lab tests in Tripment Lab Test Test Cost C-Reactive Protein High-Sensitivity (hs-CRP) Blood Test $18.00 Immunoglobulin Antibody Blood Test IgA IgG IgM $34.00 Tissue Transglutaminase (tTG) IgA Blood Test - tTG IgA Test $54.00 C-Reactive Protein (CRP) Quantitative Blood Test - CRP Test $15.00 Glutamic Acid Decarboxylase GAD65 Antibody $56.00