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.
- 17 Hydroxypregnenolone
- 17-OH Pregnenolone
- Hydroxypregnenolone, 17-
- 17 HYDROXY PREGNENOLONE
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.
Test sent to Mayo Medical Laboratories.