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Test Directory

Test Directory Testosterone, Free, Bioavailable and Total, MS

Testosterone, Free, Bioavailable and Total, MS

Test Summary

Helpful in assessing testicular function in males and managing hirsutism, virilization in females.

Aliases

Specimen Collection

Special Instructions

N/A

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.

Patient Preparation

N/A

Storage

N/A

Transport Temperature

Room temperature

Specimen Stability

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

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis • Grossly lipemic • Serum separator tube (SST)

Order Code

FTESTB

EPIC (Premier) Code

LAB1431

Includes

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

CPT Code

82040
84270
84403

Billing Code

670313
670312

CPT Statement

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 the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153

Reference Range

See Laboratory Report

Setup Schedule / Expected Turnaround Time

Daily; Report available: 2 days