1 - 19 days
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We’ve provided helpful links to make ordering easy.Find a Requisition
All specimens should be accompanied by a requisition.Submitting Specimens
Learn about how to properly label and where to ship specimens.Order Kits and Supplies
MLabs provides all the supplies necessary for the collection of specimens.Test FAQ
Visit our provider FAQ and learn about common questions to ordering tests.
Age <12 yrs: 57.0 - 2,460.2 pg/mL; age >or=12 yrs: 221.0 - 3,004.0 pg/mL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a red top or lavender top tube. Protect specimen from light (place in brown plastic bag or aliquot into brown tube).
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum or plasma into a plastic vial and freeze. Protect specimen from light (place in brown plastic bag or aliquot into brown tube).