Testosterone, Free, Direct with Total Testosterone
UFHPL Epic Order Code: LAB123140103
- Free Testosterone, Direct and Total
Volume: 2 mL
Container: Red-top tube or gel-barrier tube
Collection: If a red-top tube is used, transfer separated serum to a plastic transport tube.
Storage Instructions: Room temperature
Evaluate hirsutism and masculinization in women; evaluate testicular function in clinical states where the testosterone binding proteins may be altered (obesity, cirrhosis, thyroid disorders). See individual test descriptions for more information.
Free: Direct analog enzyme immunoassay (EIA)
Total: electrochemiluminescence immunoassay (ECLIA)