Order Code: TSI
Fee Code: 20084
Effective October 1, 2019 MLabs will offer Thyroid Stimulating Immunoglobulin, Serum (TSI) testing. This will replace the Mayo Medical Laboratory sendout test.
Specimen Collection: Collect approximately 3 mL of whole blood in a red top or serum separator tube (SST). Centrifuged and aliquot the serum into a plastic vial. Ship the specimen frozen (preferred) or refrigerated.
Methodology: Recombinant Bioassay for measuring relative TSH-stimulating activity
Set Up/ Analytic Time: Monday- Friday, 2-7 days