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