Hormone Thyroid Profile



This is a blood spot test for the following thyroid hormones: TSH (thyroid stimulating hormone), Free T3 (triiodothyronine), Free T4 (thyroxine), TPO (thyroid peroxidase antibody).  This test includes everything you need to collect your blood spot sample at home and send your sample to the lab for processing.

A thyroid profile may be ordered as part of a health checkup or when symptoms suggest hypo- or hyperthyroidism due to a condition affecting the thyroid.

Signs and symptoms of hypothyroidism may include:

  • Weight gain
  • Dry skin
  • Constipation
  • Cold intolerance
  • Puffy skin
  • Hair loss
  • Fatigue
  • Menstrual irregularity in women

Signs and symptoms of hyperthyroidism may include:

  • Increased heart rate
  • Anxiety
  • Weight loss
  • Difficulty sleeping
  • Tremors in the hands
  • Weakness
  • Diarrhea
  • Puffiness around the eyes, dryness, irritation, or bulging of the eyes