Cryoglobulin, Quantitative


Sunquest Code:CRYOG  
Epic Code:LAB713Epic Name:Cryoglobulin Quantitative
Methodology:Cold precipitation
Test Includes:Quantitation of % cryoprecipitate in serum.
Turnaround Time:Results are reported in 5-7 days.


Collection Instructions

Specimen:Blood
Optimal Volume:18 mL
Minimum\Peds Volume:6.2 mL.
Container:Red (no gel). Keep warm at 37 degrees celsius using hot pack
Collection Instructions:Recommend collecting 2 plain red tubes. One tube may not yield sufficient serum volume. Place in warmed hot pack and deliver to laboratory immediately.
Causes for Rejection:Not maintained at 37 degrees celsius prior to processing, gross hemolysis. Sample has been frozen. Less than 3 mL of serum received. Collected in a gel tube.


Processing and Shipping

Specimen Processing:
Incubate at 37C for 1 hour. Centrifuge at 37°C if possible. Transfer serum to 15 mL conical plastic tube and centrifuge again at 37°C if possible to remove unseen RBCs. Aliquot 6 mL, 3 mL minimum into a second 15 mL conical plastic tube. Store in refrigerator.  
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Protein  (UMMC-East Bank)


Interpretive

Reference Range:Negative. (Positives are reported as trace or percent of serum volume.)
Use:Determine the presence and amount of cryoglobulin protein.


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