Description

A thyroid panel is a group of tests that may be ordered together to help evaluate thyroid gland function and to help diagnose thyroid disorders. The tests included in a thyroid panel measure the level of thyroid hormones in the blood.

Who should get tested ?

A thyroid panel may be ordered when you have signs and symptoms that suggest underactive thyroid (hypothyroidism) or overactive thyroid (hyperthyroidism) due to a thyroid disorder.
Signs and symptoms of an underactive thyroid may include:

• Slowed heart rate
• Weight gain
• Enlarged thyroid (goiter)
• Dry skin
• Constipation
• Trouble tolerating cold
• Muscle and joint pain
• Puffy skin
• Thinning hair, hair loss
• Fatigue
• Depression
• Forgetfulness
• Heavy or irregular menstrual periods or infertility in women
  Signs and symptoms of an overactive thyroid may include:
• Rapid heart rate
• Anxiety
• Weight loss
• Difficulty sleeping
• Tremors in the hands
• Muscle weakness
• Increased sweating
• Trouble tolerating heat
• Sometimes more frequent bowel movements
• Some uncommon problems that can affect the eyes: puffiness around the eyes, dryness, irritation, excessive tearing, light sensitivity, blurry double vision
• In some cases, bulging of the eyes
• Less frequent or lighter menstrual periods in women

The thyroid panel includes

• Free T3
• Free T4
• TSH
• Thyroid autoantibodies