Sign in →

Test Code FTESTO Testosterone, Free

Collection Container

Serum gel

Specimen Required

Serum

Specimen Volume

1.5 mL

Minimum Specimen Volume

1 mL

Transport Temperature

Refrigerate

Specimen Stability

See individual tests

Methodology

Electrochemiluminescence immunoassay (ECLIA)

Reference Ranges

Free testosterone: Male: 3.7-14.7 ng/dL, female: 0.07-0.99
ng/dL

Turnaround Time

24 hours

Day(s) and Time(s) Performed

Test performed daily

Additional Information

Measures Total testosterone and SHBG
for a calculated Free Testosterone

CPT Code

84270, 84402

Units of Measure

ng/dL