Testosterone, Total, Bioavailable and Free
Order Name
TTFB
Revision Date 10/24/2019
Revision Date 10/24/2019
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Testosterone, Total, Bioavailable and Free
|
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 3.5 mL (2.0 mL) | Serum | Red Top | Refrigerated |
| Instructions | Label specimen with Mobilab label or with patient name (first and last), date of birth, date and time of collection, collector initials, and test(s) being ordered. | |||
| Reference Range | An interpretive report will be provided. | |||
| Methodology | FRTST: Equilibrium Dialysis TTST: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) BATS: Differential Precipitation |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Monday - Friday |
| Expected TAT | 3-4 Days |
| Notes | Specimen Stability: Refrigerated (preferred) - 14 Days Frozen - 60 Days |
| CPT Code(s) | 84402 84403 84410 |
| Lab Section | NRLS-Mayo Medical Laboratories |