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Pregnenolone, LC/MS : 31493
Test CodePREGQ or 31493
CPT Codes
84140
Instructions
Plain red.
Transport Container
Centrifuge plain red and aliquot 0.5 mL (Min: 0.2 mL) serum into a standard transport tube. Refrigerate immediately.
Transport Temperature
Refrigerated. If not transported to lab within 72 hours, send frozen.
Specimen Stability
Ambient: Unacceptable; Refrigerated: 72 hours; Frozen: (-20 degrees) 14 days, (-70 degrees) 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis,Serum separator tube (SST).
Methodology
Chromatography/Mass Spectrometry
Setup Schedule
Sunday - Friday
Report Available
1-4 days (From receipt at performing laboratory)
Limitations
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Reference Range
| Effective 5-22-2017 Adults 22-237 ng/dL Pediatric 1 Day-59 Days 68-1303 ng/dL 60 Days-1 Year less than or equal to 219 ng/dL 2-6 Years less than or equal to 140 ng/dL 7-9 Years less than or equal to 156 ng/dL 10-12 Years 15-220 ng/dL 13-17 Years l2-196 ng/dL |
Performing Laboratory
Quest Diagnostics
