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Test Code PREGNENOL Pregnenolone

Clinical System Name

Pregnenolone

Sample Requirements

Specimen: Whole Blood

Container(s): Gold SST or Red or Lavender/EDTA or Dark Green/Sodium Heparin

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL

 

Note: Send to lab ASAP.

Processing Instructions

Reject due to: Specimen not frozen within 2 hours of collection.

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location:  Separate within 2 hours of collection. Make two aliquots of 0.25 - 0.5 mL serum or plasma each then freeze promptly.

 

Off-site collection: Separate serum or plasma from cells within 2 hours of collection. CRITICAL FROZEN

Stability

Specimen Type Temperature Time
Serum Room temp

N

  Refrigerated N
  Frozen

6 m

 

Availability

STAT Performed TAT
N Drawn daily, performed M - F 3 - 6 d

 

Performing Laboratory

ARUP Laboratories

Department

Department:  

ARUP Laboratories

500 Chipeta Way
Salt Lake City, UT 84108-1221
 

 

Phone Number

(800) 522-2787

 

 

 

Reference Range

 

     
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

 

Methodology

Method: LC-MS/MS

Analytical Volume: None specified

Limitations:

CPT Codes

84140

 

 

 

 

 

Send Out Instructions

 

Reference Test Name: Pregnenolone by LC-MS/MS, Serum or Plasma
Reference Test Number:

0092334

Instructions:

Send out Mon - Fri with ARUP courier.