Test Code SERVIS Serum Viscosity
Useful For
Increased serum viscosity resulting from increased circulatingimmunoglobulins can be seen in Waldenstrom's macroglobulinemia and multiplymyeloma. It can also be seen in hyperproliferative states such as leukemias,polycythemia and myeloproliferative disorders.
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Serum | Red Top Tube (RTT) | 4.0 mL | 2.0 mL | 2.0 mL |
Collection/Processing Instructions
Separate serum/plasma from cells within 2 hours of collection. Transport serum specimen refrigerated.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerate | 1 week |
Rejection Criteria
Frozen samples
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| Marshfield | Relative Viscosity 1.4-1.8 |
Marshfield Labs Performing Department
Marshfield Labs Special Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Friday | 1 day | Ostwald Viscometer |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 85810 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 85810 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| COM |
Serum Viscosity |
| Cerner | Serum Viscosity |