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HelpTest Code FREE T4 FREE T4
Department
Chemistry
Specimen Type
Plasma or Serum
Method
Two-Step Enzyme Immunoassay
Container
Lithium heparin (green-top) or No additive with gel (gold top)
Standard Volume
4.5ml
Minimum Volume
1ml
Pediatric Volume
0.8ml
Ship Temperature
Room Temperature
Stability Refrigerated
48 hours
Stability Room Temp
8 hours
Stability Frozen
> 48 hours
CPT Code
84439
Days Test Set Up
Monday through Sunday
Group Components
FREE T4