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* This is not a home test kit. You will need to visit a local lab for testing.
Fasting Required: No
Turnaround Time: 2-3 business days
Specimen Type: Blood
Thyroid-stimulating Hormone, TSH, Thyrotropin, Thyrotropic Hormone
The thyroid-stimulating hormone (TSH) blood work is designed to diagnose thyroid gland underactivity (hypothyroidism) or overactivity (hyperthyroidism), which affects the overall thyroid function.
The TSH blood lab gauges the levels of TSH produced by the pituitary gland.
Individuals with a family history of thyroid disorders should get blood work for TSH. It is also recommended for those experiencing symptoms of hyperthyroidism like high blood pressure, hair loss, increased heart rate, vomiting, and weight loss. In addition, people suspected of hypothyroidism through conditions like fatigue, numbness, high cold tolerance, and weight gain would also take the TSH blood test.
Patients prescribed with thyroid drug treatment should get the TSH blood work before taking the medication. Otherwise, no special preparation is needed before getting the test.
The normal TSH in blood tests should fall within the range of 0.5 to 5.0 mIU/L. Getting a lower value suggests thyroid gland overactivity or hyperthyroidism. Conversely, a higher value entails underactivity in the thyroid gland or hypothyroidism.
Estimated Turn Around For Results: 2-10 Business Days
For an exact turnaround time for results, please contact us at Personalabs, and we will contact the lab on your behalf as turnaround times vary depending on testing location or lab testing provider.
You can take the TSH blood test at one of our 4,000 lab locations nationwide. Choose between Personalab’s partner patient centers, Quest Diagnostics, and Labcorp.
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Review of 4/19/2025, reflecting an experience on 4/10/2025 by Brian B