Test Directory

Cryoglobulins may be present in macroglobulinemia of Waldenström, myeloma, chronic lymphocytic leukemia, lupus, chronic active hepatitis, and other viral infections.

Specimen Type: Serum

Collection Container: Red Top, Plain

Specimen Volume: 3 mL

1. Collect a prewarmed red top, plain tube via venipuncture

1. Separate serum from cells immediately after clot formation (keep at 37°C while clotting)
2. Transfer 3 mL of serum to a clear aliquot tube (screw cap).
3. Label aliquot tube as "prewarmed".

Patient must be fasting. Testing will be cancelled by reference lab if patient is not fasting.

Transport to the laboratory at room temperature.  

• Specimen not allowed to clot at 37°C
• Patient not fasting
• Lipemia
• Gel-barrier tube used for collection
• Whole blood received

See patient report.