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Testosterone, Free, Bioavailable and Total, MS
Test CodeTSTFB
Alias/See Also
LAB9400
CPT Codes
<p>82040, 84270, 84403</p>
Includes
Testosterone, Total, MS
Testosterone, Free
Testosterone, Bioavailable
Sex Hormone Binding Globulin (SHBG)
Albumin
Testosterone, Free
Testosterone, Bioavailable
Sex Hormone Binding Globulin (SHBG)
Albumin
Preferred Specimen
Specimen Type: Serum red
Collection Container/Type: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2.8 mL
Minimum Volume
1.3 mL
Instructions
Note: 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.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Serum separator tube (SST)
Methodology
Chromatography/Mass Spectrometry • Calculation (CALC) • Spectrophotometry (SP) • Immunochemiluminescent Assay
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Daily; Report available: 4 days
Report Available
2 days
Reference Range
See Laboratory Report
Clinical Significance
Helpful in assessing testicular function in males and managing hirsutism, virilization in females.
Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153
Last Updated: February 17, 2023