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.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube. Also acceptable: Plain red, lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).  
Specimen Preparation
Separate serum or plasma cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.25 mL)  
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 months 13-​327 ng/dL 13-​327 ng/dL
13-​23 months 12-​171 ng/dL 12-​171 ng/dL
2-​4 years 15-​125 ng/dL 10-​125 ng/dL
5-​6 years 13-​191 ng/dL 10-​156 ng/dL
7-​9 years 14-​150 ng/dL 13-​205 ng/dL
10-​12 years 19-​220 ng/dL 15-​151 ng/dL
13-​15 years 22-​210 ng/dL 18-​197 ng/dL
16-​17 years 22-​229 ng/dL 17-​228 ng/dL
18 years and older 15-​132 ng/dL 23-​173 ng/dL
Tanner Stage I 15-​171 ng/dL 13-​156 ng/dL
Tanner Stage II 22-​229 ng/dL 12-​143 ng/dL
Tanner Stage III 34-​215 ng/dL 16-​214 ng/dL
Tanner Stage IV-​V 26-​235 ng/dL 19-​201 ng/dL
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
84140
Components
Component Test Code*Component Chart Name
0092334Pregnenolone
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References