Testosterone, Free, Bioavailable and Total, MS
Also known as Bioavailable Testosterone, Testosterone, Free & Weakly Bound
What it measures
- AlbuminLOINC 1751-7
- Sex Hormone Binding GlobulinLOINC 13967-5
- Testosterone, FreeLOINC 2991-8
- Testosterone,BioavailableLOINC 2990-0
- Testosterone, Total, MSLOINC 2986-8
Specimen
- Specimen
- 2.8 mL serum
- Minimum volume
- 1.3 mL
- Container
- Transport tube
- Temperature
- Room temperature
Specify age and sex on test request form. Red-top tube (no gel): Allow blood to clot at room temperature. Centrifuge to separate the serum from the cells and immediately pour serum into a plastic transport tube. Serum separator tube: Allow blood to clot at room temperature, centrifuge, and remove serum from the gel immediately (not to exceed 48 hours) by pouring serum into a plastic transport tube. Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.
Billing
CPT 82040, 84270, 84403