Thyroxine (T4), Thyroxine-binding Globulin (TBG), and T4−TBG Index

Marker

Serum

Hormone Testing

1 provider available

Starting at

$155

Walk-In Lab

Lowest PriceOnline

Thyroxine (T4), Thyroxine Binding Globulin (TBG) and T4-TBG Index Blood Test

The Thyroxine (T4), Thyroxine-Binding Globulin (TBG), and T4−TBG Index Blood Test measure the TBG, T4, and T4-TBG index levels in the blood to help screen for thyroid disorders.

Updated 7/22/2025

$155

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