ARUP Test Catalog
ARUP Consult Guide
Lab Tests Online
 
Testosterone, Adult Male, Total & Free

Mnemonic:    [Test M F/T]
Name:    Testosterone, Adult Male, Total & Free
Specimen:    1 mL serum from a Red SST or Red top tube, or plasma from a Green PST. Recommendation: Specimen should be collected between 6-10 AM. Do not order this test for females and children (<19 years).
Minimum Spec:    0.6 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable 7 days refrigerated.
Ref Lab/Code:    ARUP 0070109
  Method:    Chemiluminescent Immunoassay
Note:    Includes: Free & Total Testosterone as well as Sex Hormone Binding Globulin. The concentration of Free Testosterone is derived from a mathematical expression based on constants for the binding of Testosterone to Sex Hormone Binding Globulin.
Processing Info:    Total testosterone is included in this order. Do not order this test with TESTOS (Testosterone, Total).