Immune complexes, C1q binding-994

Test info

  
Immune complexes, C1q binding
  
994
  
LAB994
  
MSO
  
C1q binding
C1q binding test
C1q immune complexes
Circulating immune complexes
Complement C1q immune complexes
Immune complex detection by C1q
  
  • Monitor immune complex disease (i.e. lupus, glomerulonephritis, serum hepatitis, arthritis, vasculitis)
  • Monitor progress of some malignancies.

Specimen

  
Serum
  
  
1.0 mL
  
0.1 mL
  

Immediately following collection, thoroughly 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
  3. Transfer specimen to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum
  4. Freeze
  
  
  1. Allow sample to clot 
  2. Spin 
  3. Transfer specimen to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum, within two (2) hours of sample collection
  4. Freeze
  

Frozen (preferred)

Refrigerated - 7 days

  
  • Hemolysis
  • Heating samples for thawing may give false positive results, avoid repeated thawing and freezing.

Performance

  
LabCorp Burlington (096933): R-NX
  
Tu, Th
  
8 days
  

Enzyme immunoassay (EIA)

Clinical and Interpretive info

  

Negative: < 4.4 μg Eq/mL
Equivocal:    4.4 - 10.7 μg Eq/mL
Positive:   >10.7 μg Eq/mL

Billing

  
86332
  
Result 27831-7

Tracking

  
05/29/2019
  
04/08/2022
  
03/31/2022