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Reference Guide
Access Med Labs


Access Med Labs
Access Med Labs
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About the Test

This is a single-marker test measuring TSH. It can be ordered as part of a custom panel.

Ordering The TSH Test From Access Medical Laboratories

TSH (thyroid-stimulating hormone) is the hormonal signal sent from the pituitary gland to the thyroid to tell the thyroid how much hormone to synthesize and release.

TSH is part of a sensitive hormonal feedback loop and is the most common thyroid test ordered by physicians.

The Thyroid Stimulating Hormone (TSH) test is a blood test commonly performed to determine the TSH levels and whether the thyroid gland is working correctly.

TSH Reference Ranges

The ideal TSH can vary widely based on a person’s age, gender, and stage of life.

The conventional reference range provided by most labs is around 0.45-4.12 mlU/L.

Yet there is growing consensus that a narrower TSH range of 0.5 to 2.5 mlU/L may be more optimal for most healthy adults.

Which Patients is the TSH Test From Access Medical Laboratories Best Used For?

A physician may request a TSH test to determine the hormone levels, which will provide information about whether an individual’s thyroid gland is functioning normally.

The TSH test is usually requested with other thyroid tests, like the free T3, the free T4, and the anti-TPO antibody.

The blood TSH test may be used to:

  • Diagnose an under active or overactive thyroid gland
  • To screen for thyroid disease before any symptoms
  • To screen for thyroid disease based on symptoms
  • To evaluate a thyroid nodule or thyroid enlargement
  • To diagnose or rule out thyroid diseases
  • To monitor a patient’s response to a thyroid hormone treatment

About the Test

This is a single-marker test measuring thyroid-stimulating hormone (TSH). It is used to evaluate thyroid function.

More Resources

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Thyroid-Stimulating Hormone
Thyroid-Stimulating Hormone
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Lab Test Information
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Lab Company
Access Med Labs
Sample Type
Shipping Time
1 - 6 days
Turnaround Time
3 days
Test Preparation Starts
No test preparation required
Number of Collection Days
1 day
Methods Used For Processing
Lab Certifications
CLIA Certified
CAP Accredited
ISO 15189
COLA Accredited
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