Thyroxine Blood Test (T4)
Thyroxine Blood Test (T4)
Thyroxine Blood Test (T4)
Thyroxine Blood Test (T4)

Thyroxine Blood Test (T4)

You can attend our London clinic immediately with this blood test.

Blood tests include:

  • Doctors Referral
  • All Phlebotomy fees
  • ( your blood taken at our London clinic )
  • All laboratory fees
  • GP comments
  • Express Results
  • Money Back Guarantee

Thyroxine (T4) is the major secretory hormone of the thyroid. Only 0.03% of T4 is unbound and free for exchange with tissues. Thyroid function may be assessed with thyroid stimulating hormone (TSH) and free T4 measurements.