Pacific · Thyroid Tests
Thyroid Tests in California
Thyroid Tests is a laboratory test you can request directly. Thyroid tests assess the function of your thyroid gland through various markers in your blood.
What this test is
Thyroid tests are a series of blood tests used to evaluate the function of the thyroid gland. These tests measure levels of hormones and other substances related to thyroid activity. The results help provide insight into how well the thyroid is working.
What it measures
- TSH — reflects thyroid stimulating hormone levels
- Free T4 — indicates the amount of free thyroxine
- Free T3 — shows levels of free triiodothyronine
- Total T4 — measures total thyroxine
- Total T3 — assesses total triiodothyronine
- Thyroid Antibodies — detects autoimmune thyroid conditions
What the test involves
Thyroid testing typically involves a standard blood draw from a vein in your arm. The sample is then analyzed for specific thyroid-related markers.
Why it is often ordered
Clinicians generally order thyroid tests to investigate symptoms related to thyroid function, such as fatigue or weight changes. They may also be used to monitor thyroid treatment effectiveness.
Preparation
Preparation for thyroid tests may vary, so it's important to follow the specific instructions provided by the collection lab.
How results are reported
Results are reported with levels of various markers, and reference ranges can differ between laboratories. It's important to discuss your results with a healthcare provider.
Before you go
- Sample collection method
- Preparation instructions
- Expected turnaround time
Cities
Thyroid Tests in California communities
Choose your city for local context and to request this test.