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Unit Code 8684:
T4 (Thyroxine), Total and Free

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Specimen Required

Draw blood in a plain, red-top or a serum gel tube(s).

Spin down and send 1.0 mL of serum refrigerated.

Transport Temperature

Refrig\Frozen OK\Ambient NO

Reject Due To

Specimens Other Than:                

Anticoagulants Other Than:          

Hemolysis:                                         

Thawing:                             

Lipemia:   

Day(s) and Time(s) Test Performed

Monday through Sunday; Continuously

Key