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Test Directory

Test Directory Androstenedione

Androstenedione

Test Summary

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

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

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

Minimum Volume

0.25 mL

Instructions

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

Patient Preparation

An early morning specimen is preferred.

Storage

Transport tube

Transport Temperature

Refrigerated

Specimen Stability

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

Limitations

N/A

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

Unacceptable Specimens

Gross hemolysis • Samples collected in serum separator tubes (SST)

Order Code

ANDRST

EPIC (Premier) Code

LAB040

Includes

N/A

CPT Code

82157

Billing Code

670556

CPT Statement

Methodology

Chromatography/Mass Spectrometry

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

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

Department

Reference Testing

Reference Range

See Laboratory Report

Setup Schedule / Expected Turnaround Time

Daily; Report available: 2 - 5 days