Orderable Outpatient Only

Esoterix, Pregnenolone, Mass Spectrometry

Synonyms

LAB1073
PREGNENOLONE, MASS SPECTROMETRY (ESOTERIX)

Cerner Name

Pregnenolone (ESO)

Clinical Info

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold or red top tube
Specimen: 2.5 mL serum (1.1 mL min)

Collection Serum or plasma must be separated from cells and transferred to a plastic transport tube within one hour of collection. The specimen should be frozen immediately and maintained frozen until tested.

Specimen Volume

2.5 mL serum (1.1 mL min)

Transport Instructions

Frozen serum

Specimen Stability

Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Days Performed

TAT: 6-11 Days

Performing Laboratory

Labcorp-Esoterix

CPT

84140

PDM

5910412

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
PREGNENOLONE-ESOTERIX	PREGNENOLONE	PREGNENOLONE ESO	Pregnenolone-Esoterix

Result Interpretation

Age	Range (ng/dL)
Premature (26-28w) Day 4	260 -2104
Premature (34 - 36w) Day 4	203 - 1024
Neonates (1-7d)	150 - 2000
Prepubertal	20 - 140
Pubertal and adults	<151

Levels decrease after birth and are within the prepubertal range of 20 - 140 by 3 months.

Forms

LAB1073

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