TRAb in Serum

Autoantibody to the TSH receptor that helps distinguish Graves’ disease from thyroiditis and other causes of thyrotoxicosis.

Also known as:

Thyrotropin Receptor (TSH) Antibodies

S-TRAb

TBII

TRAb ranges

Interpret your result

"Normal" lab range for TRAb is between 0 and 1.75 IU/L:

1.75

According to Optimal DX, TRAb should be below 0.55 IU/L:

0.55

Optimal range

Optimal range for TRAb appears to be below 1 IU/L:

1.75

Why this optimal range?

Preliminary range is based on functional health organizations including but not limited to those listed above.

This page is marked as a work-in-progress.

The optimal range is derived from a limited number of sources and is subject to change.

About the site author
My personal mission is to extend human lifespan by collectively adding 1 million years to people's lives.
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Zsolt Szabo
Precision Health Consultant for Longevity Clinics, Biohacker, and Software Engineer

Please send me relevant research and feedback.

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I am particularly interested in research on biomarkers associated with all-cause mortality and on defining optimal reference ranges.