Referred Tests
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: TTFB
Testosterone, Total, Bioavailable, and Free, Serum
Useful For 
Suggests clinical disorders or settings where the test may be helpful
Second- or third-order test for evaluating testosterone status (eg, when abnormalities of sex hormone-binding globulin are present)
Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| TTST | Testosterone, Total, S | Yes | Yes |
| FRTST | Testosterone, Free, S | No | Yes |
| BATS | Testosterone, Bioavailable, S | No | Yes |
Method Name A short description of the method used to perform the test
FRTST: Equilibrium Dialysis
TTST: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
BATS: Differential Precipitation
NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.
Yes
Reporting Name Lists a shorter or abbreviated version of the Published Name for a test
Testosterone, Total, Bio, Free, S
Aliases Lists additional common names for a test, as an aid in searching
Androgens
Bioavailable Testosterone
NonSex Hormone Binding Globulin (SHBG)
Testosterone, Total Only, Serum
Testosterone (ORDER TTST if not specified)
Testosterone Group (ORDER TGRP)
Bioavailable Testosterone
NonSex Hormone Binding Globulin (SHBG)
Testosterone, Total Only, Serum
Testosterone (ORDER TTST if not specified)
Testosterone Group (ORDER TGRP)