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Viscosity, Serum

Message
This test is currently only available in BHS CPRS. If you are a Bedford provider and wish to see this test offered in Bedford CPRS- please contact the Bedford Laboratory.

Testing performed at Quest Diagnostics.


Test Code
VISCOSITY(O)


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: 6 months


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.



Last Updated: September 24, 2014


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.