14.3.3 eta, Rheumatoid arthritis-994

Test info

  
14.3.3 eta, Rheumatoid arthritis
  
994
  
LAB994
  
MSO
  
14.3.3η Protein ETA
Augurex
  

14-3-3 eta protein is a joint-derived, proinflammatory mediator that is implicated in the joint erosion process and pathogenesis of RA. Serum 14-3-3 eta is elevated in both early and established RA

Specimen

  
Serum
  
  
1.0 mL
  
0.5 mL
Submission of the minimum volume does not allow for repeat testing
  

Immediatley following collection, mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within 45 minutes of sample collection
  

Gold serum separator (SST) tube

  
  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within 45 minutes of sample collection
  3. Transfer the serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum
  
  

Refrigerated – 3 days

Ambient – 3 days

Frozen – 7 days

     Freeze/thaw cycles x6

  
  • Hemolysis
  • Lipemia

Performance

  
LabCorp Burlington (504550): R-NX
  
Performed 1 day per week
  
6 - 12 days
  

Enzyme-linked immunosorbent assay (ELISA)

Clinical and Interpretive info

  

<0.2 ng/mL

Billing

  
83520

Tracking

  
07/13/2020
  
10/20/2023
  
10/20/2023