CRYOGLOBULINS

Test Code

LAB8136

CPT Codes
82595

Preferred Specimen

1 Prewarmed clear/red tube (do not use clot activator)

Patient Preparation
Fasting at least 12 hours

Minimum Volume

1 mL (5 mL optimal)

Instructions

Warm the tube before drawing the patient. Keep warm until centrifugation.

Note: Heel warmer can be used to prewarm tube before collection. After venipuncture, heel warmer can be used to maintain warmed sample until clotted and ready for centrifugation. After centrifugation, aliquot serum into a transfer tube. Serum can remain at room temperature once removed from the cells.

Transport Container

Clear/red tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature up to 2 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Plasma samples
Serum seperator tube
Any tube with clot activator (red tube)
Grossly hemolyzed specimen
Grossly lipemic specimen
Improper storage temperature

Methodology
Precipitation

Setup Schedule

M, T, W, Th, F, Sa, Su

Report Available

Examined once daily for 4 days before final

Reference Range

Negative

Clinical Significance

Detects cryoglobulins which occur mainly in immunoproliferative disorders

Performing Laboratory
Alverno Central Laboratory

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.