Androstenedione, LC/MS, Serum or Plasma (Endocrine Sciences)
Use
Quantitative measurement of androstenedione, an adrenal androgen and precursor to testosterone and estrogen, used in the evaluation of androgen disorders and endocrine function. May assist in diagnosing excess androgen production or adrenal/gonadal dysfunction when interpreted alongside clinical presentation and other hormone levels.
Special Instructions
Not provided.
Limitations
Not provided.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 1854-9
- 1854-9
Result Turnaround Time
5-10 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.2 mL
Container
Red‑top tube, lavender‑top (EDTA) tube, or green‑top (heparin) tube. Do not use a gel‑barrier tube.
Collection Instructions
Serum or plasma must be separated from cells within 45 minutes of venipuncture. Send serum or plasma in a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Freeze. Stable at room temperature or refrigerated for seven days. Stable for four years frozen.
Causes for Rejection
Serum collected in a gel‑barrier tube; whole blood
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 7 days |
| Frozen | 4 years |