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HelpTest Code FFBTT Testosterone, Free, Bioavailable, and Total, MS
Specimen Required
Caution: 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.
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 2.8 mL
Collections Instructions:
1. Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable.
2. Allow blood to clot at room temperature. Centrifuge and aliquot 2.8 mL of serum into a plastic vial.
3. Send refrigerate.
Reporting Name
Testosterone, Free, Bio, and TotalSpecimen Type
SerumSpecimen Minimum Volume
1.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 28 days | |
| Ambient | 7 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
Reference Values
See Laboratory Report
Day(s) Performed
Monday through Sunday
Report Available
6 to 8 daysPerforming Laboratory
Quest Diagnostics Nichols InstituteTest Classification
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. The assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.CPT Code Information
82040
84270
84403
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FFBTT | Testosterone, Free, Bio, and Total | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z6382 | Albumin | 1751-7 |
| Z6383 | SHBG | 13967-5 |
| Z6384 | Testosterone, Total, MS | 2986-8 |
| Z6385 | Testosterone, Free | 2991-8 |
| Z6386 | Testosterone, Bioavailable | 2990-0 |