Test Catalog

Test ID: T4BPE    
Thyroxine-Binding Protein Electrophoresis, Serum

Useful For Suggests clinical disorders or settings where the test may be helpful

Explaining unusual thyroxine (T4), free T4, and thyroxine-binding globulin (TBG) test results that do not correlate with the patient’s clinical presentation


Detecting the presence of aberrant thyroxine-binding proteins such as abnormal forms of albumin and prealbumin


Detecting selective deficiency of one of the thyroxine-binding proteins


Detecting antibodies to T4


An adjunct to the diagnosis of patients with high T4 concentration due to peripheral hormone resistance by ruling out thyroxine-binding abnormalities

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
TBPEThyroxine-Binding Protein ElectroNoYes
T4T4 (Thyroxine), Total Only, SYesYes

Method Name A short description of the method used to perform the test

TBPE: Electrophoresis

T4: Electrochemiluminescence Immunoassay

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


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Thyroxine-Binding Protein Electro

Aliases Lists additional common names for a test, as an aid in searching

T4 Antibodies
T4 Binders
T4 Binding Protein Electrophoresis
TBPE (Thyroxine-Binding Protein Electrophoresis)
Thyroid Binding Albumin
Thyroid Binding Prealbumin
Thyroid-Hormone Binding Electro
Thyroxine Antibodies
Thyroxine Binders
Thyroxine-Binding Protein Electrophoresis, Serum