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T4, Total (Thyroxine, Total)

Methodology

This is a paramagnetic particle, chemilumnescent immunoassay.

Test Utility

For the quantitative determination of total thyroxine levels in human serum and plasma.

Specimen Collection and Preparation

Serum or plasma sample in the following tubes:

  • Serum separator tube (gold or tiger top)

  • Lithium heparin (green top)

Specimen Storage and Stability

Store serum or plasma at the following temperatures:

  • Room temperature: 15°C to 30°C no longer than 8 hours

  • Refrigerated: 2°C to 8°C up to 24 hours

  • Frozen: -20°C or lower up to 7 days

Specimen Rejection

  • Broken or leaking tube

  • Insufficient sample volume

  • Frozen whole blood

  • Specimen hemolyzed

  • Specimen labeled incorrectly or not labeled

Reference Pages

Performed

Monday – Saturday

Result available within 24 hours of receipt in laboratory

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal

Contacts

Vibra Health Laboratory

1307- A, Allen Dr

Troy, MI 48083

(248) 846-0663

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