Total Thyroxine (T4) Test

A test measuring total thyroxine (T4) levels in the blood. T4 is the main hormone produced by the thyroid gland, and abnormal levels can indicate thyroid disease.

Also known asTotal T4Total ThyroxineT4 TestThyroxine Total

Available via

Home Collection, Lab Visit

Contains

1 parameters

Earliest reports in

Same Day

Test details

Total Thyroxine (T4) Test Test in Bengaluru Overview

The Total T4 (thyroxine) test measures the amount of thyroid hormone T4 in the blood. T4 is produced by the thyroid gland and plays a crucial role in regulating metabolism, energy, and overall growth.

Why consider this test?

This test helps assess thyroid function. Low T4 levels can indicate hypothyroidism (underactive thyroid), while high levels can suggest hyperthyroidism (overactive thyroid). These conditions can affect metabolism, energy levels, and overall health.

Who should get this test done?

Individuals who have symptoms of thyroid dysfunction, such as weight changes, fatigue, sensitivity to temperature, or mood changes, should consider getting this test. It is also important for those with a family history of thyroid disease or individuals undergoing treatment for thyroid conditions.

More Information

The Total T4 test measures both bound and free T4 hormone levels in the blood. T4 levels are often assessed along with other thyroid function tests, such as TSH (thyroid-stimulating hormone), to get a more comprehensive view of thyroid health.

 

Preparations

No special preparations needed

Test included
Total Thyroxine (T4) Test includes 1 parameter

  • T4

Test code

3226C

Specimen vol. and vacutainer information
SpecimenVacutainerVolume
SerumYellow Vacutainer1 ML

Specimen stability information

Serum

Specimen rejection criteria

Test run frequency

Every Day TIME - 11:00 , 15:00

Turn around time

Same Day

Performing locations

Department

  • Endocrinology

CPT and Loinc codes

Total Thyroxine (T4) Test

280