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Viscosity, Serum

Message

Centrifuge serum samples within 1 hour of collection.



Test Code
VISCS


Alias/See Also

LAB765



CPT Codes
85810

Preferred Specimen

2 mL serum



Minimum Volume

1.2 mL



Instructions
Centrifuge serum samples within 1 hour of collection.


Transport Container

Plastic screw-cap vial



Transport Temperature

Room temperature



Specimen Stability

Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days



Methodology

Kinematic Viscometer



Setup Schedule

Set up: Mon-Sat; Report available: Same day



Reference Range

1.5-1.9 relative to H2O



Clinical Significance
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.


Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153


Last Updated: June 20, 2021


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.