Androstenedione

Test Code
17182

CPT Codes
82157

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

Patient Preparation
An early morning specimen is preferred.

Minimum Volume
0.25 mL

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

Instructions
Draw blood in a red-top tube (no gel). Separate serum after clotting. Do not submit glass tubes.

Transport Container
Plastic screw-cap vial

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 14 days
Refrigerated: 28 days
Frozen: 2 years

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Samples collected in serum separator tubes (SST)

Methodology
Chromatography/Mass Spectrometry

Setup Schedule
Set up: Daily; Report available: 2-5 days

Reference Range
See Laboratory Report

Clinical Significance
Androstenedione is useful when evaluating patients with androgen excess and managing patients with Congenital Adrenal Hyperplasia (CAH).

Performing Laboratory
Quest Diagnostics Nichols Institute San Juan Capistrano
33608 Ortega Highway
San Juan Capistrano, CA 92675



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.