- PRFT
Progesterone, Free w/Total Progesterone, LC/MS-MS
Specimen:
Test Code
PRFT
Specimen Name
Progesterone, Free w/Total Progesterone, LC/MS-MS
Collect
1-SST Also acceptable EDTA and Na-Heparin
Submit
1.6 mLs [Min: 0.8 mL (This volume does NOT allow for repeat testing.)] Serum or Plasma
Special Handling
To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Rejection Criteria
The test is not accurate for hemolyzed samples. Cortisol and other hormones that bind transcortin (corticosteroid-binding globulin) may affect the percentage of free progesterone.
Stability
Preferred/Transport Frozen 6 days; Refrigerated 6 days; Ambient 6 days
Methodology
High-pressure liquid chromatography (HPLC)/tandem mass spectrometry, equilibrium dialysis, calculation
Performed
—
Reported
8-12 days
CPT Codes
- 84144
- 84999
Components
—
Additional Information
Results of this test are for investigational purposes only. The performance characteristics of this assay have been determined by LabCorp. The result should not be used as a diagnostic procedure without confirmation of the diagnosis by another medically established diagnostic product or procedure.
Disclaimer:
It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date. Updated test information can only be guaranteed by using this website.
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Test Information
How to Label Your Sample
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Common Test Phrases
- Label Your Test 1
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Common Lab Definitions
- Serum
- Plasma
- STT