CU index-994

Test info

  
CU index
  
994
  
LAB994
  
MSO
  
Autoimmune chronic urticaria
Chronic urticaria
IgE receptor Ab
UC functional anti-FceR auto antibody
  
Patients with a chronic form of urticaria who are positive (> 10) with the CU index® have an autoimmune basis for their disease. A positive result does not indicate which autoantibody (anti-IgE, anti-FceRI or anti-FceRII) is present.

Specimen

  
  • Patients taking calcineurin inhibitors should stop medication 72 hours prior to draw
  • Patients taking prednisone should be off their medication for 2 weeks prior to draw
  
Serum
  
  
1.5 mL
  

Immediately 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

  
  
  1. Allow sample to clot
  2. Spin
  3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection
  
  

Ambient (preferred) - 1 week

Frozen - 1 year

Performance

  
Viracor Eurofins (2103) via LabCorp (820022): R-NX
  
Mo, We, Fr
  
6 - 9 days
  

Ex Vivo Challenge, Cell Culture and Histamine analysis

Clinical and Interpretive info

  

An interpretive report will be provided

Billing

  
86352
  
Result 55141-6

Tracking

  
05/29/2013
  
05/30/2019