Cryoglobulin & Cryocrit, Serum

Additional Info:
If cryoglobulin is detected, then % Cryocrit is also reported.

Patient Preparation:
Overnight fasting is required. Fasting sample is preferred, but a random specimen may be used if serum is CLEAR.

Methodology: Cold Precipitation Visual Inspection

Specimen Requirements: 2 plain, red-top tubes (minimum: 2.0 mL of serum) drawn following an overnight fast of 8-10 hours. Allow specimen to clot at 37ºC and remain there for one hour, then centrifuge and separate serum from cells at room temperature. Store specimen at room temperature after collection.

NOTE:
Gross hemolysis and gross lipemia are unacceptable.
SST tube not acceptable.

Analytical Time: 6 days

Days Set Up: Monday through Sunday

CPT Information:
82595 –
cryoglobulin