Casandra
Casandra Test Code QD10228Version 1 (DRAFT)
Performing Lab
T₃ Free, Tracer Dialysis
Also known as: Triiodothyronine, Free T3
Clinical Use
Order TestUse
T₃ measurements are used to diagnose hyperthyroidism. This test can also be used to clarify thyroid status in the presence of possible protein‑binding abnormalities. ([jdos.nicholsinstitute.com](https://jdos.nicholsinstitute.com/dos/cmclab/test/1118968?utm_source=openai))
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (RIA)
Biomarkers
Free T3
AnalyteFree T3 • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
T3, Total
AnalyteT3, Total • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
4-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
Not provided
Minimum Volume
0.5 mL
Container
Transport tube
Causes for Rejection
Moderate hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 4 days |
| Refrigerated | 7 days |
| Frozen | 28 days |