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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)
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
