Cryoglobulin, Quantitative

Abbrev Code:CRYOG   
Order Code:LAB713Order Name:Cryoglobulin Quantitative
Methodology:Cold precipitation
CPT Codes: 82595 x1
Test Includes:Quantitation of % cryoprecipitate in serum.
Turnaround Time:Results are reported in 5-7 days.

Collection Instructions

Optimal Volume:18 mL
Minimum\Peds Volume:6.2 mL.
Container:Red (no gel). Keep warm at 37 degree C 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°C 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 37°C for one hour. Centrifuge at 37°C if possible. Transfer serum to 15 mL conical plastic tube and centrifuge again, using 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 UM Specialty Core/Prot/Endo (Sebia B) 


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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