Immunological Testing lab tests in LabsMD Lab Test Test Cost Complement Component C3c - C3 complement test $68.99 C-Reactive Protein (CRP), High Sensitivity (Cardiac Risk Assessment) $54.49 Immunoglobulins IgA, IgG, IgM, Quantitative, Serum $65.49 Gliadin (Deamidated Peptide) Antibody (IgG, IgA) - Gliadin Antibody Test $74.99 Adrenal Antibody Screen with Reflex to Titer $75.99 C-Reactive Protein (CRP) - CRP Test $54.49