Testosterone, Free

Test Code
TESFR


Alias/See Also
Quest Testosterone, Free Test Code 58958


CPT Codes
84402

Preferred Specimen
1 mL serum
Note: This assay should be performed on adult males >20 years old.


Minimum Volume
0.2 mL Serum


Transport Container
Transport tube


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
​Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 14 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis
Lipemia
Icteria


Methodology
Radioimmunoassay (RIA)

Setup Schedule
Tues-Sun


Report Available
2-4 days


Performed By
Quest Diagnostics DEMO

Performing Laboratory
QUEST DIAGNOSTICS NICHOLS VALENCIA~27027 TOURNEY ROAD~~VALENCIA~CA~91355-5386~THOMAS MCDONALD,MD


Last Updated: September 23, 2021


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.