Testosterone, bioavailable and free

Alphabetical Test listing

Testosterone, bioavailable and free-13650

  
Testosterone, bioavailable and free
  
13650
  
LAB13650
  
TESTOSTFREE
  
Testosterone, total
Testosterone, free
Testosterone, bioavailable
Bioavailable + Free Testosterone
  
  • Detects an abnormal testosterone level in males and females;
    • in males, to help diagnose the cause of erectile dysfunction or the inability of your partner to get pregnant (infertility);
    • in females, to help diagnose the cause of masculine physical features (virilization), infertility, or polycystic ovary syndrome (PCOS);
    • in children, to help determine the cause of genitals that are not clearly male or female (ambiguous genitalia) or delayed or early puberty
  
Serum
  

Gold serum separator (SST) tube

  
2.0 mL
  
1.0 mL
Submission of the minimum volume does not allow for repeat testing.
  

Immediately following collection, mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within 45 minutes of sample collection
  3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp) , labelled as serum
  4. Freeze
  

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

  

Red serum vial/tube, 5 mL

  
  1. Allow sample to clot
  2. Spin within 45 minutes of sample collection
  3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp) , labelled as serum
  4. Freeze
  

Frozen (preferred)

Ambient - 2 days

Refrigerated - 7 days

  
Esoterix Endocrinology (501905) via LabCorp (502338): R-LC
  
Mo - Fr
  
6-12 days
  

Bioavailable testosterone: Ammonium sulfate precipitation

Total testosterone: High Performance Liquid Chromatography with Tandem Mass Spectrometry (HPLC-MS/MS)

  

An interpretive report will be provided

  
84402
84410
  
Result 2986-8
  
04/30/2019
  
12/20/2023
  
12/20/2023