Test Code TSHR TSH with Free T4 reflex if indicated

Specimen Required

Lithium Heparin Plasma Seperator Tube (Green) or

Red Top or Serum Seperator Tube SST (Yellow)

Handle and store specimen in stopper containers to avoid contamination and evaporation.

Centrifuge specimen to remove serum from cellular elements after collection.

Specimen Stability

* Refrigerated - 7 Days

* Frozen - 4 Weeks

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