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HelpTest Code LAB5172 Viscosity, Serum
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.
Useful For
Detection of increased viscosity
Monitoring patients with hyperviscosity syndrome
This test is not useful for patients with small concentrations of monoclonal proteins.
Reporting Name
Viscosity, SSpecimen Type
Serum RedSpecimen Minimum Volume
0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 14 days |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
≤1.5 centipoises
Day(s) Performed
Monday through Friday
Report Available
1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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: