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Pregnenolone by LC-MS/MS, Serum or Plasma
0092334
Ordering Recommendation
Mnemonic
PREGNLONE
Methodology
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Mon-Fri
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum separator tube. Also acceptable: Plain red, lavender (EDTA), pink  (K2EDTA), or green (sodium or lithium heparin). 
Specimen Preparation
Specimen Preparation: Separate serum or plasma cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma in two ARUP Standard Transport Tubes and freeze immediately. (Min: 0.25 mL/container) 
Storage/Transport Temperature
CRITICAL FROZEN. Additional specimens must be submitted when multiple tests are ordered. 
Unacceptable Conditions
Refrigerated or room temperature specimens. 
Remarks
 
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months 
Reference Interval
Age
Female
Male
6-12 months13-327 ng/dL13-327 ng/dL
13-23 months12-171 ng/dL12-171 ng/dL
2-4 years15-125 ng/dL10-125 ng/dL
5-6 years13-191 ng/dL10-156 ng/dL
7-9 years14-150 ng/dL13-205 ng/dL
10-12 years19-220 ng/dL15-151 ng/dL
13-15 years22-210 ng/dL18-197 ng/dL
16-17 years22-229 ng/dL17-228 ng/dL
18 years and older15-132 ng/dL23-173 ng/dL
Tanner Stage I15-171 ng/dL13-156 ng/dL
Tanner Stage II22-229 ng/dL12-143 ng/dL
Tanner Stage III34-215 ng/dL16-214 ng/dL
Tanner Stage IV-V26-235 ng/dL19-201 ng/dL

Interpretive Data


Compliance Statement B: 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.

Note
CPT Code(s)
84140
Components
Component Test Code*Component Chart NameLOINC
0092334Pregnenolone2837-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases