T Uptake

Method Name



T Uptake; T3 Uptake, T3 Uptake

Specimen Required

one SST/gel tube

Specimen Minimum Volume

2.0 mL of blood

Specimen Stability Information

Centrifuged specimen stable for 48 hours refrigerated.

Special Instructions

Always ordered with a Total T4

Performing Laboratory

Monday – Saturday. Turn around time is 24 hours.

Reference Values

23 – 38 %