Cryoglobulin, Quantitative
| Sunquest Code: | CRYOG | ||
| Epic Code: | LAB713 | Epic Name: | Cryoglobulin Quantitative |
| Methodology: | Cold precipitation | ||
| Test Includes: | Quantitation of % cryoprecipitate in serum. | ||
| Turnaround Time: | Results are reported in 5-7 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 18 mL |
| Minimum\Peds Volume: | 6.2 mL. |
| Container: | Red (no gel). Keep warm at 37 degree C using hot pack |
| Collection Instructions: | Recommend collecting 2 plain red tubes. One tube may not yield sufficient serum volume. Place in warmed hot pack and deliver to laboratory immediately. |
| Causes for Rejection: | Not maintained at 37°C prior to processing, gross hemolysis. Sample has been frozen. Less than 3 mL of serum received. Collected in a gel tube. |
Processing and Shipping
| Specimen Processing: | Incubate at 37°C for one hour. Centrifuge at 37°C if possible. Transfer serum to 15 mL conical plastic tube and centrifuge again using 37°C if possible to remove unseen RBCs. Aliquot 6 mL, 3 mL minimum into a second 15 mL conical plastic tube. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | Protein (UMMC-East Bank) |
Interpretive
| Reference Range: | Negative. (Positives are reported as trace or percent of serum volume.) |
| Use: | Determine the presence and amount of cryoglobulin protein. |
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