Basic Thyroid Test
Proper thyroid function is essential for optimal health. You can use this thyroid blood test to screen for an underactive thyroid (hypothyroidism) or an overactive thyroid (hyperthyroidism). |
What’s Being Tested:
- Total T4
- T3 Uptake
- Free Thyroxine Index (T4)(FTI)
- Thyroid Simulating Hormone (TSH)
- Also, see our Complete Thyroid Panel
Fasting: No
Specimen Type: Blood (Draw Location | How It Works | FAQs)
Important Notes:
- This test cannot be collected in NY, NJ, MA, and RI. Contact us with questions.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.