Fluorescence Enzyme Immunoassay (FEIA)
Class 0 <0.35 Negative; Class 1 0.35-0.69 Equivocal; Class 2 0.70-3.49 Positive; Class 3 3.50-17.4
Positive; Class 4 17.5-49.9 Strongly positive; Class 5 50.0-99.9 Strongly positive; Class 6 > or =100
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
2 - 4 days
Collect specimen in a red top or SST tube. Spin and aliquot into a screw capped plastic container. Sned to Specimen Processing refrigerated.
Test performed by Mayo Clinic Laboratories