T3 UPTAKE

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Test Code
2025
Test Description
Used to assess thyroid function and diagnosis thyroid diseases.
Abbreviation
TUP
Minimum Volume
1mL
Transport Container
Serum Separator Tube
Transport Temperature
Refrigerated
Collection Instructions
Allow tube to clot and spin to separate cells within 45 minutes.
Specimen Stability
Room temperature: 8 hours; Refrigerated: 48 hours
Rejection Criteria
Hemolysis
CPT
84479