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

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 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



Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

84140

Components
Component Test Code* Component Chart Name LOINC
0092334 Pregnenolone 2837-3
* 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
Pregnenolone by LC-MS/MS, Serum or Plasma