Thyroid function
Choose your test.
- No referral needed
- 1000+ collection points
- Results typically within 2 working days
- Every result reviewed by a BIG-registered doctor
Product description
A focused thyroid function test with TSH and Free T4, for insight into energy, weight and metabolism. Want Free T3 and TPO antibodies too? Choose the extended variant.
Thyroid function is a blood test measuring 2 biomarkers, reviewed by a doctor.
Two biomarkers. One blood draw.
All 2 biomarkers with a short description. The laboratory reference values always lead.
Thyroid function2 biomarkers | |
|---|---|
| TSH | Pituitary thyroid hormone; the most sensitive marker for thyroid function. |
| Free T4 | The active thyroid hormone, complementary to TSH for a complete picture. |
With every result, your personal report includes an explanation from our doctor.
Three steps to your report
- 1
Order online
Choose Thyroid function and your collection point. You receive your lab form by email.
- 2
Blood draw at a collection point
At one of the 1000+ collection points, no referral needed.
- 3
Results with an explanation from our doctor
Typically within 2 working days, reviewed by a BIG-registered doctor.
Insight, explained by our doctor.
A personal report with an explanation from our doctor, and all your results in one secure place.
Personal report
With an explanation from our doctor for your results. Reference values always come from the laboratory.
Reviewed by a doctor
Every result reviewed by a BIG-registered doctor, measured in ISO 15189 accredited laboratories.
Your dashboard
All results in one secure place. Your progress visible with every test.
Do I need to fast?
Fasting is not required for TSH and Free T4. We do recommend taking the sample at a calm time of day.
What is the difference between TSH and Free T4?
TSH is the hormone from the pituitary gland that stimulates the thyroid. Free T4 is the thyroid hormone itself in its active form. The combination gives the most complete picture.
What if I take thyroid medication?
Thyroid medication affects TSH and T4. Please let us know so we can adjust the interpretation accordingly.
What if I want more specific markers?
Through Bloodworks Select you can add markers such as Free T3, TPO antibodies or TG antibodies.
How quickly do I receive my results?
Typically within 2 working days of blood draw.
Ready for insight into your health?
Thyroid function · 2 biomarkers · results typically within 2 working days