17-Hydroxyprogesterone, S

• CPT Code: 83498
• LOINC: 1668-3
• Specimen Type: Red nongel
• Frequency: Set Up: Mon-Fri; analytic time 2 days
• Instructions: Draw blood in a plain, red-top tube. Spin down and send 0.6 mL of serum refrigerated. Min 0.25mL. Gross hemolosis or lipemia unacceptable
• Text: 17-hydroxyprogesterone is 1 of the 3 analytes along with cortisol and androstenedione, that constitutes the best screening test for congenital adrenal hyperplasia (CAH), caused by either 11- or 21-hydroxylase deficiency. Also used to evaluate females with hirsutism or infertility.
• Methodology: Liquid Chromatography - Tandem Mass Spectrometry (LC-Ms/MS)