Testosterone, Free and Weakly Bound, with TotalTestosterone, LC/MS-MS
Test Code: 070282
Performing Lab: LabCorp
CPT Code: 84410 001
Specimen Type
Serum
Specimen Container
Red-top tube or gel-barrier tube
Volume
2 mL
Minimum Volume
1.4 mL (NOTE: This volume does NOT allow for repeat testing)
Specimen Handling
Serum should be transferred from cells within one hour of collection and transferred to a plastic transport tube.
Unacceptable Conditions
Improper labeling
Temperature
Room temperature
Methodology
Ammonium sulfate precipitation; liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Stability
Room Temperature: 7 days
Refrigerated: 7 days
Refrigerated: 7 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 070036 | Testosterone, Total, LC/MS | 2986-8 |
| 143257 | Testost., % Free+Weakly Bound | 6891-6 |
| 070281 | Testost., F+W Bound | 2990-0 |
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