Testosterone, Free, Bioavailable and Total, MS [14966]

Message

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

FTESTB

Alias/See Also

14966

CPT Codes
82040, 84270, 84403

Includes

Testosterone, Total, MS
Testosterone, Free
Testosterone, Bioavailable
Sex Hormone Binding Globulin (SHBG)
Albumin

Preferred Specimen

2.8 mL serum collected in a red-top tube (no gel)

Minimum Volume

1.3 mL

Instructions

Centrifuge red-top tube and pipette serum into a plastic pour off tube. Label pour off tube RED TOP SERUM.

Transport Temperature

Room temperature

Specimen Stability

Room Temperature = 7 days
Refrigerated = 21 days
Frozen = 60 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

Daily

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: March 5, 2024

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.