Pregnenolone by LC-MS/MS, Serum or Plasma


Sunquest Code:PREGN  
Epic Code:LAB6066Epic Name:Pregnenolone by LC-MS/MS
Methodology:High performance liquid chromatography/Tandem mass spectrometry
Turnaround Time:Specimens are sent to the reference laboratory Mon-Sat; results are reported within 1-4 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red or gold (gel) (Green (lithium heparin, gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel))


Processing and Shipping

Specimen Processing:Centrifuge within 2 hours of collection and aliquot two 0.5 mL, 0.25 mL minimum samples. Freeze immediately.
Shipping Instructions:Ship on dry ice.
Stability:Stability: 6 months frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:92334


Interpretive

Reference Range:
 
Age Females
ng/dL
Males
ng/dL
6-12 mo 13-327 13-327
13-23 mo 12-171 12-171
2-4 y 15-125 10-125
5-6y 3-191 10-156
7-9 y 14-150 13-205
10-12 19-220 15-151
13-15 22-210 18-197
16-17 22-229 17-228
18 & older 15-132 23-173
 
Tanner Female Male
Stage I 15-171 13-156
Stage II 22-229 12-143
Stage III 34-215 16-214
Stage IV-V 26-235 19-201
A reference range for children under 6 months of age is not provided by the reference laboratory.  


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