2296      Free T3
Specimen:
  Collect: One 6 mL Red Top  
  Submit: 1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.  
  Special Handling: Allow specimen to clot completely at room temperature 
  Rejection Criteria: Grossly Lipemic Samples
Use of separator tubes 
  Stability: Ambient: Unacceptable; Refrigerated: 2 Day(s); Frozen: 2 Month(s); Incubated: Unacceptable 
Methodology: Chemiluminescence 
Performed: Mon-Fri 
Reported: 1-3 Day(s) 
CPT Codes:
84481 - T3, Free
Interpretive Data:
General Reference Range : 1.8-4.2 pg/ml