Sign in →

Test Code PREGNENOL Pregnenolone

Clinical System Name

Pregnenolone

Sample Requirements

Specimen: Whole Blood

Container(s): Gold SST, Red, Lavender/EDTA, Dark Green/Sodium Heparin, or Lt. Green/Lithium Heparin Microtainer(s)

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL

 

Note: Send to Main Lab ASAP.

Processing Instructions

Reject due to: Refrigerated or room temperature specimens.

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: CRITICAL FROZEN. Separate within TWO 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 TWO hours of collection. CRITICAL FROZEN.

Stability

Specimen Type Temperature Time
Serum Room temp

Unacceptable

  Refrigerated Unacceptable
  Frozen

6 m

 

Availability

STAT Performed TAT
N M - F 1 - 4 d

 

Performing Laboratory

ARUP Laboratories

500 Chipeta Way
Salt Lake City, UT 84108-1221

 

Phone Number: (800) 522-2787

Department

Department: Send Outs

 

Phone Number: (206) 987-2563

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: Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry

Analytical Volume: 0.25 mL per Container

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 Monday - Friday with the ARUP courier.