| Test Name: | Cryoglobulin |
| Epic Order Code: | LAB713 | | |
| CPT Code: | 82595 | | |
| Specimen(s) Type: | Serum; 4.0 mL |
| Acceptable Container(s): |  Top is red. |
| Testing Schedule: | 24 hours/day, 7 days/week |
| Turn Around Time: | STAT: NA |
| | Routine: 4 days |
| Collection Information: | A fasting specimen is preferred. Obtain specimen by standard collection procedures, using pre-warmed collection tube (wrap tube in heel warmer prior to collection). |
| Transport Information: | Deliver to lab immediately, wrapped in heel warmer. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to lab immediately, specimen must be allowed to clot at 37° C for 30 minutes. Once specimen has clotted, centrifuge and place serum in a transport tube. Serum should be transported at room temperature within 4 hours of collection. Sample may not be frozen, refrigerated or transported on ice. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, failure to collect and maintain specimen at 37° C. |
| Reference Range: | Negative |
| Additional Information: | Whole blood must be maintained at 37° C +/- 2° C from the time it is collected until serum is separated from the cells. Failure to do so will result in invalid test results. |