Test Code LAB137 T3 (Triiodothyronine), Free

Intended Use

Used to diagnose and monitor diseases of the thyroid

Chemiluminescent Immunoenzymatic Assay

RCH

Preferred: Plasma (heparinized)

Container/tube: Lt green/mint top (lithium heparin) tube

Acceptable: Serum

Container: Plain, red-top or gold, serum gel tube

Specimen Volume: 1.0 mL (minimum volume 0.12 mL)

Collection Instructions: Forward promptly.

Ambient: 8 hours

Refrigerated (preferred): 48 hours

Frozen (< -20 C): > 48hours or 3 thaw cycles

Monday through Sunday

84481