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
CPT Code:84140
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-4 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



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.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:92334


Interpretive

Reference Range:

Females

ng/dL

Males

ng/dL

6-12 mo                  13-327

13-23 mo               12-171

2-4 y                        15-125

5-6 y                        13-191

7-9 y                        14-150

10-12 y                    19-220

13-15 y                    22-210

16-17 y                    22-229

18 y & older          15-132

 

6-12 mo                 13-327

13-23 mo               12-171

2-4 y                        10-125

5-6 y                        10-156

7-9 y                        13-205

10-12 y                   15-151

13-15 y                   18-197

16-17 y                   17-228

18 y & older         23-173

 

Tanner

  Stage I                  15-171

  Stage II                 22-229

  Stage III                34-215

  Stage IV-V           26-235

Tanner

  Stage I                    13-156

  Stage II                   12-143

  Stage III                  16-214

  Stage IV-V             19-201

A reference range for children under 6 months of age is not provided by the reference laboratory.

 



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