Thyroid Stimulating Hormone
DHA Laboratory
Sample type: Serum
Requires fasting: No
Phlebotomy is required for this test
Details
This is a single-marker test measuring TSH. TSH is the most common test used to evaluate thyroid function and symptoms related to a thyroid disorder, such as hyperthyroidism or hypothyroidism. Produced by the pituitary gland, the primary role of TSH in the body is to stabilize amounts of T4 (thyroxine) and T3 (triiodothyronine) in the blood.
- Thyroid-Stimulating Hormone (TSH)
Estimated days for results: Results should arrive 7 business days after the lab receives samples.
7 business days
- You will not receive a kit for your blood draw.
- Your blood sample must be collected by a phlebotomist at a Labcorp Patient Service Center (PSC).
- Stop taking any supplements containing biotin for 72 hours prior to sample collection.
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
