Androstenedione
Test Summary
Androstenedione may be useful in evaluating patients with androgen excess and managing patients with congenital adrenal hyperplasia (CAH).
Aliases
- N/A
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
- 700000
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
33608 Ortega Highway
San Juan Capistrano CA, 92675
Reference Range
See Laboratory Report
Setup Schedule / Expected Turnaround Time
Daily; Report available: 2 - 5 days
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)
Result Information
Methodology
Chromatography/Mass Spectrometry
Testing Laboratory
N/A
Reference Range
See Laboratory Report
Setup Schedule / Expected Turnaround Time
Daily; Report available: 2 - 5 days