T4, total

Alphabetical Test listing

T4, total-847

  
T4, total
  
847
  
84436.0
  
T4
  
T4
Thyroxine
Total thyroxine
  
Lithium heparin (Li hep) plasma
  
  
1.0 mL
  
0.4 mL
  

Immediatley following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

  

Spin within two (2) hours of sample collection

  

Lt green plasma separator (PST)

  
Serum
  
  

Immediatley following collection, mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  

Gold serum separator (SST) tube

  

Refrigerated (preferred) - 8 days

Ambient - 4 days

Frozen - 1 year

 

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis 
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)
  
AHL - Chemistry: C
  
Daily
  
1 day
  

Electrochemiluminescence immunoassay (ECLIA)

  

4.5 - 11.7 µg/dL

  
84436
  
Yes
  
  
11/30/2001
  
01/01/2023
  
01/09/2024