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Test Code HDXPN 17-Hydroxypregnenolone, Serum

Performing Laboratory

Quest Diagnostics Nichols Inst San Juan Capistrano

Methodology

Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)

Reference Values

See report.

Test Classification and CPT Coding

84140

Day(s) and Time(s) Performed

Tuesday, Friday

Physician Office Specimen Requirements

Container/Tube:  Red-top tube(s)

Specimen:  2 mL of serum

Transport Temperature:  Refrigerate

Computer Interface code

PDM # 5902940

Used For

17-Hydroxypregnenolone is useful in the diagnosis of 3-Beta-Hydroxylase enzyme deficiency, a rare cause of congenital adrenal hyperplasia, and 17-Hydroxylase (P450c17) enzyme deficiency.