- YFREETM
Testosterone, Free, Adult Male by ED/LC-MS/MS
Specimen:
Test Code
YFREETM
Specimen Name
Testosterone, Free, Adult Male by ED/LC-MS/MS
Collect
1-SST
Also acceptable Green Top (Heparinized)
Also acceptable Green Top (Heparinized)
Submit
1 mL (Min: 0.5 mL) Serum or Plasma Frozen
Special Handling
Separate from cells ASAP or within 2 hours of collection. Transport 1 mL serum or plasma in a standard transport tube.
Collect between 6-10 a.m.
Collect between 6-10 a.m.
Rejection Criteria
EDTA plasma.
Stability
Ambient 24 hours; Refrigerated 1 week; Frozen 2 months
Methodology
Quantitative Equilibrium Dialysis (ED)/High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sunday - Saturday
Reported
2-8 days
CPT Codes
- 84402
Components
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Additional Information
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Test Information
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Common Lab Definitions
- Serum
- Plasma
- STT