Lab Testing

blooddraw

Thyroxine (T4) Free Direct

Labcorp

SKU: 001974

$44.00

Product Description

**NOTE: All laboratory testing requires an authorizing physician in order to complete the laboratory testing. **

This test is used when Free T4 may be indicated when TBG (thyroxine binding globulin) problems are suspected. It can also be used to diagnose thyroid disease and screen for hypothyroidism in newborns.

Shipping Instructions

Have Questions? Contact us and we can help!