Cryoglobulin Qualitative Analysis [383X]

Test Code
383X

CPT Codes
82595

Preferred Specimen
5 mL Serum

Minimum Volume
2.5 mL

Instructions
After collection, allow specimen to clot at 37° C for 30-60 minutes. Place tube in a 37° C incubator or a waterbath. If not available, adjust tap water in a container to 37° C. Place collection tube into the container. Monitor temperature throughout clotting process. Centrifuge clotted tube in a pre-warmed centrifuge (run the centrifuge for 10 minutes prior to centrifuging the specimen). Pour serum into a plastic screw-capped vial and submit at room temperature.

Transport Container
Plastic screw-cap vial

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 3 days

Refrigerated: Unstable

Frozen: Unstable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Received frozen • Received refrigerated • Serum Separator Tube (SST®)

Methodology
Visual inspection

Reference Range
None detected

Clinical Significance
Cryoglobulins are a group of proteins which precipitate from serum, plasma or urine upon exposure to cold.

Performed By
Quest Diagnostics Nichols Institute



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.