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T3 TOTAL

Message
SENDOUT/BOSTON


Test Code
T3 TOTAL


Alias/See Also
QUANT T3, TOTAL T3, QT3, THYROID TOTAL T3


Preferred Specimen
SERUM: PLAIN RED TOP TUBE


Minimum Volume
2mLs


Other Acceptable Specimens
SST tube - Samples need to be removed from the red cells or gel if testing is delayed > 24 hours.


Instructions
DRAW 1 RED TOP TUBE, LET CLOT FOR 30 MINUTES, SPIN DOWN AND TRANSFER SERUM INTO PLASTIC TUBE.


Transport Container
PLASTIC TUBE


Transport Temperature
REFRIGERATED


Specimen Stability
Room temperature: 24 hours. Separate if not tested within this time.
Refrigerated (2-8°C): 6 days
Frozen (-10°C or colder): 6 days


Methodology
Chemiluminescent microparticle immunoassay

Setup Schedule
M-F


Report Available
TAT 1-7 DAYS


Reference Range
35 - 193 ng/dL


Clinical Significance
Total T3 measurements are used to diagnose and monitor treatment of hyperthyroidism and are essential for recognizing T3 toxicosis.


Performing Laboratory
Test performed at West Roxbury Chemistry Lab Contact: Jonathan Dryjowicz-Burek 857-203-5973

Additional Information
T3 TOTAL


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.