TESTOSTERONE, FREE (DIALYSIS ) and TOTAL LC/MS/MS

Specimen Required
Draw blood in a red-top tube. Centrifuge, remove serum from cells and send 0.9 mL serum (0.4 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: heparin

Rejection Criteria
SST, gross hemolysis, gross lipemia

Methodology
Chromatography/Mass Spectrometry, Equilibrium Dialysis, Calculation

Stability
Room temperature: 7 days; Refrigerated: 21 days; Frozen: 2 years

Reference Range
By report

Performed
Sunday-Saturday

Turnaround Time4-6 days
Test CodeTFTLC
CPT-4 Code (s)
84402, 84403
LOINC Codes
Testosterone, Total:2986-8
Testosterone, Free:   2991-8  

Warde
Medical
Laboratory