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17 Hydroxypregnenolone, 1h
Test Code12038
CPT Codes
84140<br><strong>Restricted Client Code</strong>
Preferred Specimen
2 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.4 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 24 hours
Refrigerated: 5 days
Frozen: 28 days
Refrigerated: 5 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Grossly lipemic • Received room temperature • Serum separator tube • Grossly icteric
Methodology
Chromatography/Mass Spectrometry
Setup Schedule
Set up: Sun-Wed, Thurs, Fri; Report available: 2-5 days
Clinical Significance
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.
