- THYL
Free Thyroxine Index Panel
Test Code
THYL
Specimen Name
Free Thyroxine Index Panel
CPT Codes
- 84436
- 84479
Collect
SST-Serum
Stability
Refrigerated 8 days
Volume
1 mL
Minimum Volume
0.5 mL
Performed
Performed Sunday through Saturday - Reported 1-3 days
Components
Test includes: Thyroxine, Total (T4), T Uptake and Free Thyroxine Index Calculation.
Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT