Pregnenolone by LC-MS/MS, Serum or Plasma PREGNE

Method(s) Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Specimen Required
Collect

One 5 mL gold (SST) top tube. Also acceptable: plain red, lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin) top tubes.

Transport

CRITICAL FROZEN. Separate serum or plasma cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma in two aliquot tubes and freeze immediately (Min: 0.25 mL/container).

Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months.

Unacceptable Conditions Refrigerated or room temperature specimens.
Schedule Mon - Fri
Billing Code 5011415
CPTCode 84140
Notes CRITICAL FROZEN. Additional specimens must be submitted when multiple tests are ordered.
Preferred Specimen Collection Device(s)
Reference Interval
AgeFemaleMale
6-12 months
13-327 ng/dL
13-327 ng/dL
13-23 months12-171 ng/dL12-171 ng/dL
2-4 years15-125 ng/dL10-125 ng/dL
5-6 years13-191 ng/dL10-156 ng/dL
7-9 years14-150 ng/dL13-205 ng/dL
10-12 years19-220 ng/dL15-151 ng/dL
13-15 years22-210 ng/dL18-197 ng/dL
16-17 years22-229 ng/dL17-228 ng/dL
18 years and older15-132 ng/dL23-173 ng/dL
Tanner Stage I15-171 ng/dL13-156 ng/dL
Tanner Stage II22-229 ng/dL12-143 ng/dL
Tanner Stage III34-215 ng/dL16-214 ng/dL
Tanner Stage IV-V26-235 ng/dL19-201 ng/dL
No Appointment Necessary
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11 Patient Service Centers in Central New York.

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