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Viscosity, Serum

Test Code
918


CPT Codes
85810

Preferred Specimen
2 mL serum


Minimum Volume
1.2 mL


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 6 months


Methodology
Kinematic Viscometer

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
A.M.


Report Available
Reports in 1 day.


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.




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.