Laboratory Test Information Guide

Details for Cryoglobulin Characterization,Serum

Test Name: Cryoglobulin Characterization,Serum
Alternate Name(s):  
Laboratory: Clinical Immunology
Specimen Type: 2 x 6 mL Red (no gels or serum separator) top Vacutainer tubes
Collection Information: If possible, patient should be fasting.
Caution: Specimen is not acceptable when drawn on a patient receiving heparin or any other anti-coagulant.

Immediately after the blood draw, label the tubes and place in a thermos with warm (not hot) water. Water should be 37°C. Send to the laboratory specimen receiving area.

Do not leave the specimens at room temperature or refrigerate.

Transport the samples as soon as possible.
Order Cryoglobulin. The characterization is part of the evaluation
Test Schedule: As indicated
Turnaround time from when specimen
is received in testing laboratory:
Crit and characterization N/A on preliminary report.
Final report positive cryoglobulin: 10 days
Reference Range: See report
Effective Date: 2010-01-11
Revised Date: 2014-03-14
Critical Value:  
Interpretive Comments: Identifies the cryoglobulin type: Monoclonal (Type I) or Mixed (Type II or Type III).
Special Processing: The specimen tubes must remain at 37°C until the serum has been separated.
Comments: Characterization will only be processed once per patient.
The cryocrit will be used to monitor positive results.
Method of Analysis: Immunofixation
Critical Information Required:  
Storage & Shipment: The specimen blood tubes must remain at 37C until the serum has been separated. After separation, the specimen can be stored or shipped at ambient temperature or refrigerated.
System Codes: 
Referred To:  

Questions? Comments? Contact Laura Gopaul