Androstenedione

Test Code

LAB518

Quest Code

17182

Alias/See Also

ANDRO, ANDRS

CPT Codes
82157

Preferred Specimen

1 mL serum collected in a red-top tube (no gel)

Minimum Volume

0.25 mL

Other Acceptable Specimens

Plasma collected in: EDTA (lavender-top) tube, EDTA (royal blue-top) tube, sodium heparin (green-top) tube or lithium heparin (green-top) tube

Instructions

SST^® tubes are unacceptable. Draw blood in a red-top tube (no gel). Separate serum after clotting. Ship serum at room temperature. Do not submit glass tubes. An early morning specimen is preferred.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 2 years

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Samples collected in serum separator tubes (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.

Reference Range

See Laboratory Report

Clinical Significance

Androstenedione may be useful in evaluating patients with androgen excess and managing patients with congenital adrenal hyperplasia (CAH).

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

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.