DHEA, (Dehydroepiandrosterone), Unconjugated

Test Code
19894


CPT Codes
82626

Preferred Specimen
0.5 mL frozen serum collected in a red-top tube (no gel)


Patient Preparation
Overnight fasting is preferred

Minimum Volume
0.3 mL


Other Acceptable Specimens
Frozen plasma collected in: EDTA (lavender-top) tube, EDTA (royal blue-top) tube, sodium heparin (green-top) tube, or lithium heparin (green-top) tube


Instructions
Specify age and sex on test request form


Transport Temperature
Frozen


Specimen Stability
Room temperature: 6 hours
Refrigerated: 72 hours
Frozen: 90 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Serum separator tube (SST)


Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Night Sets up 6 days a week.


Clinical Significance
DHEA is a weakly androgenic steroid that is useful when congenital adrenal hyperplasia is suspected. It is also useful in determining the source of androgens in hyperandrogenic conditions, such as polycystic ovarian syndrome and adrenal tumors.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.