3-7 days
Test Updated:
17 Hydroxypregnenolone
17-OH Pregnenolone
Hydroxypregnenolone, 17-
HYPL
17 HYDROXY PREGNENOLONE
17PRG
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Test Overview
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Ancillary test for congenital adrenal hyperplasia (CAH), particularly in situations in which a diagnosis of 21-hydroxylase and 11-hydroxylase deficiency have been ruled out; for confirming a diagnosis of 3-b-hydroxydehydrogenase (3-b-HSD) deficiency and 17-alphahydroxylase deficiency; and as part of a battery of tests to evaluate females with hirsutism or infertility, both of which can result from adult-onset CAH.
Age and sex specific reference ranges provided with report.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.
