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Test Code
VISC
Test Name
Viscosity, Serum
CPT Codes
85810
Expected Turnaround Time
3 - 5 days
Clinical Utility

Evaluate hyperviscosity syndrome associated with monoclonal gammopathy states (myeloma, macroglobulinemia of Waldenström, and other dysproteinemias), including occasional cases of rheumatoid arthritis, SLE, systemic lupus erythematosus, hyperfibrinogenemia.
Specimen and Container Info

Specimen Type: Serum

  

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Red top, Plain

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 1 mL of serum to a clear aliquot tube (screw cap)
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/Thaw Cycles

 Stable x3
Causes for Rejection
  • Hemolysis
  • Fibrin clots
  • Quantity not sufficient for analysis
Methodology
Quantitative Viscometry
Reference Intervals

See patient report.
Alternate Names
  •  Serum Viscosity
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Monday-Friday
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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