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Thyroxine (T4), Total

Total T4, T4, Total
CPT
84436
Expected
Turnaround Time
Within 1 Day
Patient Preparation
-
Lab Charge
$17.18

Specimen Requirements

Specimen
Serum
Volume
1.0 mL / 0.5 mL minimum
Container
SST (preferred) or Red Top Tube
Preparation
Draw blood in gel-barrier tube and centrifuge. If red top is used, remove the serum and place in a transport tube. Label the transport tube with patient identifiers and specimen type.
Stability
Refrigerated, 5 Days
Storage Instructions
Refrigerated

Test Details

Methodology
Rejection Criteria
Received after 5 days refrigerated. Serum not separated from cells. Hemolyzed sample. Improper labeling. Incorrect collection container.

Test Components

Test Code
Test Name
LOINC
300324
Thyroxine (T4), Total
3026-2

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