Cryofibrinogen + cryoglobulin-994

Test info

  
Cryofibrinogen + cryoglobulin
  
994
  
LAB994
  
MSO
  

If reflex testing is performed, additional charges/CPT code(s) may apply.

  
  • Evaluating patients with vasculitis, glomerulonephritis, and lymphoproliferative diseases.
  • Evaluating patients with macroglobulinemia or myeloma in whom symptoms occur with cold exposure.

Specimen

  
Sodium citrate (Na cit) plasma and serum
  
1.0 mL Sodium citrate (Na Cit) plasma and 3.0 mL serum
  
Serum and plasma samples must be drawn in prewarmed tubes and kept at 37ºC while clotting.
  

Serum

  1. Immediately after clot formation (keep at 37 ºC while clotting), spin and transfer serum into a Transfer vial/tube with cap - 12mL (LabCorp)
  2. Label the transport tube "PREWARMED."


Plasma

  1. Immediately after collection, spin and transfer the plasma to a Transfer vial/tube with cap - 12mL (LabCorp)
  2. Label the transport tube "PREWARMED."
  

Ambient (preferred)

Performance

  
LabCorp Burlington (320154): R-NX
  
Daily
  
4 days
  

Visual observation of refrigerated samples

Clinical and Interpretive info

  

Cryofibrinogen - None detected (positives are reported as percentages)

Billing

  
82595
82585
  
Result 12201-0

Tracking

  
05/30/2019
  
05/30/2019