Blood collection at collection point
- You receive a test kit with tubes and referral letter
- Visit one of 800+ collection locations in the Netherlands
- Experienced staff professionally draw your blood
- Receive your results digitally by email
Total T4
Total thyroxine (T4); for thyroid function assessment.
€22.95EUR
€20.00EUR
€5.95EUR
Costs are per order
- TrustPilot 4.6/5 sterren
- No GP referral needed
- Reviewed by BIG-registered physician
- ISO 15189 Certified laboratory
- Results within 1 week
- Order today, ships today
What is TT4?
Total T4, or total thyroxine, is a hormone produced by the thyroid gland. It plays a crucial role in your metabolism and affects various bodily functions, including heart rate and body temperature.
Why should you have TT4 tested?
Testing TT4 can be useful if you experience symptoms suggesting a thyroid problem, such as unexplained weight changes, fatigue, or changes in heart rate. It helps in diagnosing thyroid conditions like hypothyroidism (too little thyroid hormone) or hyperthyroidism (too much thyroid hormone).
What does it indicate?
The TT4 test provides insight into the amount of thyroxine in the blood. Together with other thyroid tests, it can help assess the function of the thyroid gland and identify potential conditions.
What does a high TT4 level mean?
A high TT4 level may indicate hyperthyroidism, where the thyroid gland produces too much hormone. This can lead to symptoms such as weight loss, nervousness, palpitations, and increased body temperature.
What does a low TT4 level mean?
A low TT4 level may indicate hypothyroidism, where the thyroid gland does not produce enough hormone. Symptoms can include weight gain, fatigue, depression, and a low body temperature.
