Pregnenolone, LC/MS : 31493

Test Code
PREGQ or 31493

CPT Codes

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).

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 
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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.