10 - 14 days
Test Updated:
Looking to order a test?
We’ve provided helpful links to make ordering easy.
Find a RequisitionAll specimens should be accompanied by a requisition.
Submitting SpecimensLearn about how to properly label and where to ship specimens.
Order Kits and SuppliesMLabs provides all the supplies necessary for the collection of specimens.
Test FAQVisit our provider FAQ and learn about common questions to ordering tests.
Test Overview
Immunoassay
<0.20 Negative; 0.20-0.40 Indeterminate; >0.40 Positive
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in SST or red top tube (EDTA Lav acceptable). Spin and aliquot serum into a screw capped plastic tube. Send to Specimen Processing refrigerated.
Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. EDTA plasma is also acceptable.