Testosterone Free MS/Dialysis
Test Code: 500726
Performing Lab: LabCorp
CPT Code: 84402 001 84403 001
Specimen Type
Serum, FROZEN
Specimen Container
Gel-barrier tube or red-top tube
Volume
2 mL
Minimum Volume
1 mL (NOTE:This volume does NOT allow for repeat testing.)
Specimen Handling
Serum must be separated from cells within 45 minutes of venipuncture. Send serum in a plastic transport tube
Unacceptable Conditions
EDTA plasma; citrated plasma; hemolysis greater than 5%
Temperature
FREEZE
Methodology
Testosterone: High-pressure liquid chromatography (HPLC)/ tandem mass spectrometry Free Testoterone: Equilibrium dialysis
Stability
Room Temperature: 6 days
Refrigerated: 7 days
Frozen: 2.6 years
Refrigerated: 7 days
Frozen: 2.6 years
| Result Code | Result Name | LOINC |
|---|---|---|
| 500160 | Testosterone, Total | 2986-8 |
| 500727 | % Free Testosterone (Dialysis) | 15432-8 |
| 500728 | Free Testosterone, Serum | 2991-8 |
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