Enzyme-Linked Immunosorbent Assay (ELISA)
IgG: <12 U/mL, IgM: <12 U/mL; IgA: <12 U/mL.
2 - 19 days
Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.
Includes Anti-Phosphatidylcholine IgG, IgM and IgA. Test sent to Mayo Medical Laboratories; performed by Cambridge Biomedical.