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HelpTest Code VISCS Viscosity, Serum
Specimen Required
2 mL serum
Specimen Minimum Volume
1.2 mL
Specimen Stability
Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days
Method Name
Kinematic Viscometer
Collection Container / Tube
Preferred: Gold SST Tube
Other Acceptable Container: None
Transport Container
Plastic screw-cap vial
Transport / Storage Conditions
Room temperature
Special Instructions
Centrifuge serum samples within 1 hour of collection.
Reference Values
1.5-1.9 relative to H2O
Day(s) Performed
Set up: Mon-Sat; Report available: Same day
CPT Codes
85810
Clinical Reference
High serum viscosity may be most commonly observed in patients with Waldenström’s macroglobulinemia and multiple myeloma. Patients with high viscosity may have capillary occlusion, stasis hypoxia, and acidosis.