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Test 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


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.