Test ID: FRT4D
T4 (Thyroxine), Free by Dialysis, Serum
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
8859
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
Determining thyroid status of sick, hospitalized patients
Used where abnormal binding proteins are known to exist
Possibly useful in pediatric patients
Method Name A short description of the method used to perform the test
Equilibrium Dialysis/Tandem Mass Spectrometry (MS/MS)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
T4 (Thyroxine), Free by Dialysis, S
Aliases Lists additional common names for a test, as an aid in searching
Free T4 (Thyroxine)
FT4 by Dialysis
FT4 by Equilibrium Dialysis
FT4 by Tandem Mass Spectrometry
T4 (Thyroxine) Free
T4 by Dialysis
Thyroxine (T4), Total or Free
FT4 by Dialysis
FT4 by Equilibrium Dialysis
FT4 by Tandem Mass Spectrometry
T4 (Thyroxine) Free
T4 by Dialysis
Thyroxine (T4), Total or Free
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