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Test ID: TTFB    
Testosterone, Total, Bioavailable, and Free, Serum

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Secondary ID A test code used for billing and in test definitions created prior to November 2011

83686

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

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 IDReporting NameAvailable SeparatelyAlways Performed
TTSTTestosterone, Total, SYesYes
FRTSTTestosterone, Free, SNoYes
BATSTestosterone, Bioavailable, SNoYes

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

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

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)