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Premature Adrenarche: Profile 2

Test Codes

EPIC: LAB1231616, Beaker: XPA2, MAYO: (custom panel)

Department

Send Outs

Instructions

This profile includes: Androstenedione, DHEA, Testosterone, 17-OH-Pregnenolone, and 17-A-OH-Progesterone.

Specimen Collection Criteria

Collect: Two plain Red-top tubes.

Do not use Serum Separator Tubes.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within 45 minutes of collection. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) immediately.

Preparation for Courier Transport

Transport: 2.0 mL serum, frozen (-20°C/-4°F or below). (Minimum: 1.0 mL)

Rejection Criteria

• Serum Separator (SST) tubes.
• Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within 45 minutes of collection. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) immediately.

Transport: 2.0 mL serum, frozen (-20°C/-4°F or below). (Minimum: 1.0 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): unacceptable
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 28 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Mayo Clinic Laboratories in Rochester, MN.

Performed

Varies.
Results available within 4-7 days.

Reference Range

By report.

Test Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS).

CPT Codes

82157, 82626, 84403, 84143, 83498

Contacts

Last Updated

11/13/2024