93235:TESTOSTERONE, FREE BY DIALYSIS ONLY

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93235:TESTOSTERONE, FREE BY DIALYSIS ONLY
Methodology: Equilibrium Dialysis
Edit Date: 3/15/2010
Performed: Monday, Wednesday, Friday
Released: 2-6 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 84402-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial. Freeze.
Stability: 24 hours ambient, 72 hours refrigerated, or 2 months frozen.
Standard Volume: Frozen.
Minimum Volume: 2 mL serum.
Transport: 1 mL serum.
Comments: Free testosterone by dialysis is recommended for pediatric and female patients.

Reference Range:
Age Male
% Free Dialysis
Female
% Free Dialysis
<1 year 0.4-1 0.5-1
<10 years 0.4-0.9 0.4-0.9
<16 years 0.4-3.2 0.5-1.4
>16 years 1.5-3.2 0.8-1.4