What sample is required?
The determination is made from a venous blood sample from the arm.
Is some kind of prior preparation necessary?
For this test you do not need any special preparation.
What sample is required?
The determination is made from a venous blood sample from the arm.
Is some kind of prior preparation necessary?
For this test you do not need any special preparation.
To evaluate the functioning of the thyroid gland; to diagnose a thyroid disease such as hyperthyroidism and determine its cause; to monitor the effectiveness of treatment of a thyroid disease.
When a person has abnormal TSH results, especially if the T4 is normal, or has signs and symptoms of hyperthyroidism.
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