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Testosterone, Free, Direct

Test Code
144980


Alias/See Also
Free Testosterone, Direct; Free Testosterone (Direct), Serum


CPT Codes
84402

Preferred Specimen
Serum


Minimum Volume
.3ml Serum


Instructions
If a red-top tube is used, transfer the separated serum to a plastic transport tube.


Transport Container
Red-top tube or gel-barrier tube


Transport Temperature
Refrigerate


Specimen Stability
14 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Plasma specimen; recently administered radioisotopes. NOTE: Gross lipemia may yield erroneously high free testosterone results.


Methodology
Direct analog/radioimmunoassay (RIA)

Setup Schedule
Daily 1st and 3rd shift




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.