TT4 (Total Thyroxine)

The TT4 (Total Thyroxine) test measures the total circulating thyroxine (bound plus free T4) in the blood and is an important marker of thyroid hormone production used alongside TSH and free T4 to assess overall thyroid function. This at‑home collection service covers Dubai with certified UAE laboratories and licensed phlebotomists, providing convenient venous sampling, fast and reliable electronic results, and suitability for diagnosing hypo‑ or hyperthyroidism, monitoring replacement therapy (e.g., levothyroxine), or investigating fertility and metabolic concerns. A standard blood draw is required—fasting is usually not necessary but follow any specific instructions from the provider—and results should be interpreted by your physician since values and clinical implications vary by context.

• Total Thyroxine (TT4)
• Sample Type: Venous blood (serum)
• Method: Automated immunoassay (ECL/ELISA)
• Units: µg/dL (nmol/L)
• Typical adult reference range: 5.0–12.0 µg/dL (64–154 nmol/L)

• Quantitative TT4 (Total Thyroxine) assay for precise measurement of circulating thyroid hormone
• Useful for screening and monitoring hypothyroidism, hyperthyroidism, and thyroid replacement therapy
• Home blood collection across Dubai by trained phlebotomists, processed in certified UAE labs
• Fast turnaround with secure electronic report delivered for clinician-ready interpretation
• No fasting required; can be ordered alongside TSH or Free T4 for comprehensive thyroid evaluation

• Accurate Total Thyroxine (TT4) quantification to evaluate overall thyroid hormone status
• Home blood draw by trained phlebotomists across Dubai with samples processed in UAE‑certified laboratories
• Fast electronic results with laboratory reference ranges for easy review and clinical follow‑up
• Suitable for screening thyroid dysfunction and monitoring levothyroxine therapy or pregnancy-related care under clinician guidance
• No fasting usually required; flexible home collection scheduling and secure sample transport

• At-home venous blood collection by certified phlebotomists across Dubai with processing in UAE-accredited laboratories
• Quantitative TT4 (Total Thyroxine) assay for accurate assessment and monitoring of thyroid function
• Suitable for routine screening, medication monitoring (e.g., levothyroxine or antithyroid therapy), and pregnancy-related thyroid evaluation
• Fast, secure digital results delivered typically within 24–48 hours and accessible through your Touch Connect report portal