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HelpTest Code FFBTTM Testosterone, Free, Bioavailable, and Total, MS
Additional Codes
| Mayo | FFBTT |
| Epic ID | LAB2929 |
Specimen Type
SerumSpecimen 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 Serum
Collections Instructions:
1. Allow blood to clot at room temperature.
2. Centrifuge and aliquot 2.8 mL of serum into a plastic vial.
3. Send refrigerate.
Specimen Minimum Volume
Serum: 1.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 21 days |
| Frozen | 60 days | |
| Ambient | 7 days |
UPH Waterloo Region Lab Test Catalog
Note:
Transport refrigerated.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
Performing Laboratory
Quest Diagnostics Nichols InstituteMethod Name
Chromatography/Mass Spectrometry, Calculation (CALC), Spectrophotometry (SP), Immunochemiluminescent Assay
Day(s) Performed
Monday through Sunday
Report Available
6 to 8 daysReference Values
An interpretive report will be provided
CPT Code Information
82040
84270
84403