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Cryoglobulin

Test Code
CRY


Alias/See Also
Cryofibrinogen


Preferred Specimen
1 ml EDTA plasma and 5 mL plain red top serum


Minimum Volume
0.5 plasma/ 3 mL serum


Instructions
Specimens must be kept at 37 degrees until centrifugation can occur.


Transport Container
Plastic vial


Transport Temperature
Refrigerated


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Collection in SST or PST tubes


Report Available
4-6 days


Reference Range
Negative


Clinical Significance
Cryoglobulins are immunoglobulins that precipitate when cooled and dissolve when heated. Because these proteins precipitate when cooled, patients may experience symptoms when exposed to the cold. Cryoglobulins may be associated with a variety of diseases including plasma cell disorders, autoimmune diseases, and infections.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.