T3RU test : Normal Values & Results (Resin T3 uptake, T3 resin uptake, Thyroid hormone-binding ratio)

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You are here : AllRefer.com > Health > Tests & Exams > T3RU test : Normal Values & Results

T3RU test

Alternate Names : Resin T3 uptake, T3 resin uptake, Thyroid hormone-binding ratio

Normal Values

Normal values range from 24 - 37%.

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

What do Abnormal Results Mean?

Greater than normal levels may indicate:

Kidney failure
Overactive thyroid (hyperthyroidism)
Nephrotic syndrome
Protein malnutrition

Lower than normal levels may indicate:

Acute hepatitis
Pregnancy
Underactive thyroid (hypothyroidism, primary hypothyroidism, or secondary hypothyroidism)
Use of estrogen

Abnormal results may also be due to an inherited condition of high TBG levels. Usually thyroid function is normal in these people.

Other conditions under which the test may be performed:

Chronic thyroiditis (Hashimoto's disease)
Drug-induced hypothyroidism
Graves disease
Subacute thyroiditis
Thyrotoxic periodic paralysis
Toxic nodular goiter

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T3RU test : Definition
T3RU test : Why is the Test Performed?
T3RU test : How is the Test Performed?
T3RU test : How to Prepare for the Test?
T3RU test : How will the Test Feel?
T3RU test : Risks
T3RU test : Normal Values
T3RU test : What do Abnormal Results Mean?
T3RU test : References

Review Date : 6/17/2008
Reviewed By : Elizabeth H. Holt, MD, PhD, Assistant Professor of Medicine, Section of Endocrinology and Metabolism, Yale University. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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