Woman with Thyroid issues shown in pink

Thyroid Disease Diagnosis

Doctors piece together symptoms you're experiencing, medical history, test results, and more to determine that you have thyroid disease and just what type is affecting you.
A woman clutches her throat.
How to Do a Thyroid Neck Check
Medically reviewed by Danielle Weiss, MD
Woman donating blood
Factors That Affect Your Thyroid Test Results
Medically reviewed by Do-Eun Lee, MD
Doctor administering blood test
Understanding Thyroid Function Tests and Normal Ranges
Medically reviewed by Lindsey Waldman, MD, RD
Woman receiving injection
Aldosterone Test: Uses, Side Effects, Procedure, and Results
Medically reviewed by Do-Eun Lee, MD
Senior man having a blood test done by a nurse
Thyroid-Binding Globulin Test: Uses, Procedure, Result
Medically reviewed by Lindsey Waldman, MD, RD
Nurse bandaging arms after patient donates blood in hospital bank
Parathyroid Hormone Blood Test: Uses, Procedure, and Interpreting Results
Medically reviewed by Ana Maria Kausel, MD
Doctor and patient
Free T4 Index: Uses, Side Effects, Procedure, Results
Medically reviewed by Ana Maria Kausel, MD
Doctor and patient
Thyroglobulin Antibody Test: Uses, Side Effects, Procedure, Results
Medically reviewed by Ana Maria Kausel, MD
scientist in research lab
Total Triiodothyronine (T3) Test: Uses, Side Effects, Results
Medically reviewed by Ana Maria Kausel, MD
Thyroid palpation, woman
Free Thyroxine Test: Uses, Side Effects, Procedure, and Results
Medically reviewed by Ana Maria Kausel, MD
Female doctor and patient talking in exam room
Overview of the Thyroid Peroxidase Antibody Test
Medically reviewed by Ana Maria Kausel, MD
A woman and her doctor
Total Thyroxine (T4) Test: Uses, Side Effects, Results
Medically reviewed by Ana Maria Kausel, MD
woman getting a radioactive iodine uptake test
Radioactive Iodine Uptake Test
Medically reviewed by Danielle Weiss, MD
woman getting a free triiodothyronine test
Free Triiodothyronine Test: Uses, Side Effects, Procedure, and Results
Medically reviewed by Ana Maria Kausel, MD
What Is a Calcium Blood Test?
Calcium Blood Test: Uses, Side Effects, Procedure, and Results
Medically reviewed by Ana Maria Kausel, MD
Female doctor discussing test results with patient
Why Your Thyroid Hormone Levels May Be Fluctuating
Medically reviewed by Ana Maria Kausel, MD
Lab technician with blood samples and medical chart
Overview of the TRH Stimulation Thyroid Test
Medically reviewed by Do-Eun Lee, MD
Thyroid neck check
T3 Resin Uptake: Uses, Procedure, Results
Medically reviewed by Ana Maria Kausel, MD
Mature Woman at doctors office. Doctor is doing an external gland exam, touching her glands with hands, using latex gloves.
Thyroid Mass Biopsy Using Fine Needle Aspiration (FNA)
Medically reviewed by Danielle Weiss, MD