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Thyroxine Binding Globulin

Source Blood
Mnemonic TBG
Specimen Requirements

1 x 3.5 mL gold top SST tube

1 mL serum

Specimen Handling PSC & RRL:
Centrifuge, pour off and transport serum to DSC.

Extra-regional:
Centrifuge, pour off and freeze serum prior to transport to DSC.

DSC:
Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw.
Additional Information  
Testing Location Hospitals in Common
Testing Frequency
Alternate Name(s) TBG, T4 Binding Globulin
Reference Interval