Casandra
Casandra Test Code QD85958Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 18944
Testosterone, Free
Clinical Use
Order TestUse
Quest Diagnostics offers measurement of free testosterone (the unbound, biologically active fraction of testosterone) for clinical evaluation of androgen status, particularly when total testosterone is near the lower limit of normal or when alterations in SHBG may affect total testosterone levels. Measurement of free testosterone assists in diagnosing hypogonadism and managing testosterone therapy. (Based on general test use context from Quest for related tests).
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Other
Biomarkers
Not provided.
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
2.8 mL (1.3 mL minimum)
Minimum Volume
1.3 mL
Container
red‑top tube (no gel)
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