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HelpTest Code VISC Viscosity, Serum
Reporting Name
Viscosity, SPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Detection of increased viscosity
Monitoring patients with hyperviscosity syndrome
This test is not useful for patients with small concentrations of monoclonal proteins.
Specimen Required
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions:
1. Keep specimen at 37° C (eg, 37° C Thermopak, heat block) until after centrifugation.
2. Centrifuge and aliquot serum into plastic vial.
Specimen Minimum Volume
0.75 mL
Specimen Type
Serum RedSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days |
| Frozen | 28 days | |
| Ambient | 14 days |
Day(s) Performed
Monday through Friday
Report Available
1 to 3 daysReference Values
≤1.5 centipoises
Method Name
Capillary Measurement
Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
85810
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| SVISC | Viscosity, S | 3128-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| SVISC | Viscosity, S | 3128-6 |
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen: