Total Triiodothyronine (tT3)
Measurement of total plasma T3 is a sensitive test for hyperthyroidism since levels are usually raised proportionately more than total T4. In T3 thyrotoxicosis, total T3 is elevated but total and free T4 are normal.
|01 (SE) - Serum Gel
Day Case: N/A
In-Patient: 24 Hours
Out-Patient: 24 Hours
GP: 72 Hours
|Blood Sciences Cross Site
|For further details please contact Leeds Pathology customer services: email@example.com.
|Minimum volume - 250µl serum / plasma
Instructions for Lab Staff: Standard lab processing- No special requirements
|Ref. Range Notes
|Blood Sciences reference ranges are available through the useful information and links page: