Test Code LAB713 Cryoglobulin, Serum
Reporting Title
Cryoglobulin
Methodology
Cryoprecipitation at 2° C to 8° C
Cryoglobulins may be present in macroglobulinemias of chronic active hepatitis, chronic lymphocytic leukemia, lupus, myeloma, Waldenström’s disease, and other viral infections.
Performing Laboratory
OhioHealth Laboratory Services-RMH Special Testing
Specimen Requirements
Draw blood in 2 plain, red-top tube(s). (Contaminated, hemolyzed, icteric specimen; or serum gel tube is not acceptable.) Tube(s) must remain at 37° C for 90 minutes. Centrifuge at 37° C or ambient temperature. (Do not use a refrigerated centrifuge.) Place 4 mL of serum into a plastic vial, and send specimen refrigerated or ambient.
NOTE: For outpatients in Columbus, Ohio this test is only drawn at the Riverside Methodist Hospital draw site location at 3535 Olentangy River Road. (in the Women's Health Center-Yellow Area) call 5-614-566-3016 Hours are 6:30 AM-6:30 PM M-F and 7:00 AM -12 Noon on Sat/Sun
Specimen Transport Temperature
Refrigerate/Ambient OK/Frozen NO
Reference Values
Negative (positives are reported as a percentage)
If positive after 1 to 7 days, immunofixation will be performed to identify the cryoprecipitation.
Day(s) Test Set Up
Monday through Saturday day shift only
Test Classification and CPT Coding
82595