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

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

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