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Test Code
ANDR
Test Name
Androstenedione
CPT Codes
82157
Expected Turnaround Time
2 - 5 days
Clinical Utility

Androstenedione may be useful in evaluating patients with androgen excess and managing patients with congenital adrenal hyperplasia (CAH).
Specimen and Container Info

Preferred Specimen Type: Serum

Alternate Specimen Type: Plasma

Preferred Collection Container: Red Top, Plain

Alternate Collection Container: Lavender Top (EDTA), Royal Blue Top (EDTA), or Green Top (Sodium or Lithium Heparin)

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect a red top, plain tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells after clotting. 
  2. Transfer 1 mL of serum to a clear aliquot tube (screw cap).
Patient Preparation

An early morning specimen is preferred.
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

72 hours

Refrigerated

28 days

Frozen

2 years
Causes for Rejection
  • Gross hemolysis
  • Serum separator tubes (SST)
  • Glass tubes
Methodology
Chromatography/Mass Spectrometry
Reference Intervals

See patient report.
Alternate Names
Reference Lab
Quest Diagnostics Nichols Institute
Testing Schedule
Routine, daily
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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