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Laboratory Medicine

Test catalogue

Cryoglobulin

Test Name

Cryoglobulin

Red Tube with thin top Specimen Type / Requirements

Container Type = 1 Red Top

Minimum Volume = 3 ml Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum collected in red top tube without anticoagulant or gel. Avoid gold top (SST). It is essential for the detection of Cryoglobulins that the sample be immediately placed in water at 37°C and taken to the laboratory. Write your initials, date and time of collection on the collection label or requisition.

Special Instructions The sample should be kept at 37°C in an incubator for at least two hours to allow clotting. Centrifuged to separate serum or plasma, respectively. A portion of the serum and/or plasma is placed in a calibrated tube and kept refrigerated for 7 days.

Rejection Criteria: Gel separator, Grossly Hemolyzed and icteric samples, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

10 days (batched)

Test Utilization

Reference Value

Negative

Test Code

CRYO

Methodology

Manual

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Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019