Androstenedione
Test ID:
704104
CPT code:
82157
Synonyms:
4-Androstenedione
Clinical Use:
Androstenedione is useful when evaluating patients with androgen excess and managing patients with Congenital Adrenal Hyperplasia (CAH
Test Information:
Androstenedione (also known as 4-androstenedione and δ4-androstenedione) is a 19-carbon steroid hormone produced in the adrenal glands and the gonads that is the common precursor in the biochemical pathway that produces the androgen testosterone and the estrogens estrone and estradiol.1
Specimen Type:
Serum
Requested Volume:
1 mL
Minimum Volume:
0.25 mL
Container Type:
Red-top tube. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the steroid by the gel. Depending on the specimen volume and storage time, the decrease in androstenedione level due to absorption may be clinically significant.
Collection:
Transfer separated serum to a plastic transport tube.
Storage Instructions:
Refrigerate.
Stability Requirements:
Room temperature: 14 days
Refrigerated: 28 days
Frozen: 2 years
Rejection Criteria
Gross hemolysis; lipemia; gel-barrier tube
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