Diagnostic Test Directory

Clinical Chemistry Laboratory

Thyroid Stimulating Hormone,Single(TSH)

  • Synonyms: TSH
  • LIS Mnemonic: TSH

    Collect

    Gold (SST - Clot activator & gel)

    Volume Required

    1 mL blood

    Minimum Required

    0.5 mL blood

    Transport

    Room temperature

    Stability

    24 hrs room temp, 5 days refrigerated

    Processing

    All chemistry specimens collected in a SST should be centrifuged at 3,400 RPM's for 10 minutes. If there is gel separating the serum from the red cells, it is not necessary to transfer the serum to another tube. Follow directions in the centrifuge manual to set the centrifuge appropriately.If there is not gel separating the serum from the red cells, transfer the serum using a disposable pipette to another tube (pour off tube) being careful not to disturb the buffy coat. Rubber band the original tube (parent tube) with the labeled pour off tube prior to sending the specimen to CLS.

Days Performed

Weekday

Reported

Next day

Reflex Testing

N/A

CPT

84443

Methodology

Chemiluminescence

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