Androstenedione, LC/MS, Serum or Plasma (Endocrine Sciences)

TEST: 500152
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CPT: 82157
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Expected Turnaround Time

5 - 10 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

Serum (preferred) or plasma, frozen

Volume

0.5 mL

Minimum Volume

0.2 mL (Note: This volume does not allow for repeat testing.)

Container

Red-top tube, lavender-top (EDTA) tube, or green-top (heparin) tube. Do not use a gel-barrier tube.

Collection

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

Test Details

Methodology

High-pressure liquid chromatography/tandem mass spectrometry (HPLC/MS-MS)

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
500152 Androstenedione LCMS, Endo Sci 500153 Androstenedione LCMS, Endo Sci ng/dL 1854-9

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