T3, free-388

Test info

  
T3, free
  
388
  
84481.0
  
T3F
  
Triiodothyronine

Specimen

  
Lithium heparin (Li hep) plasma
  
  
1.0 mL
  
0.4 mL
  

Immediatley following collection, mix sample thoroughly by gentle 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) - 7 days

Ambient - 5 days

Frozen - 30 days

 

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)

Performance

  
AHL - Chemistry: C
  
Mo - Sa
  
2 days
  

Electrochemiluminescence immunoassay (ECLIA)

Clinical and Interpretive info

  
Adult > 19 yrs: 2.0 - 4.4 pg/ml
0 - 30 days: 2.0 - 5.2 pg/ml
30d -  1 year: 1.5 - 6.4 pg/ml
1yr -  7 yrs: 2.0 - 6.0 pg/ml
7 - 12 yrs: 2.7 - 5.2 pg/ml
12 - 19 yrs: 2.3 - 5.0 pg/ml

Billing

  
84481

Tracking

  
11/30/2001
  
01/01/2023
  
12/02/2021