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Androstenedione
Test CodeLAB518
CPT Codes
82157
Preferred Specimen
Red no-additive no-gel
Minimum Volume
0.25 mL
Instructions
Serum separator tubes (SST) are unacceptable. An early morning specimen is preferred. Draw blood in a red-top tube (no gel). Separate serum after clotting. Do not submit glass tubes.
Transport Temperature
Room Temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 28 days
Frozen: 2 years
Refrigerated: 28 days
Frozen: 2 years
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)