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Test Code BLOD0120 Viscosity, Serum

Additional Codes

Mayo Test Code: VISCS

Useful For

Detection of increased viscosity

 

Monitoring patients with hyperviscosity syndrome

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum Red


Specimen Required


Container/Tube: Red top

Specimen Volume: 1.5 mL

Collection Instructions: Keep specimen at 37° C (eg, 37° C Thermopak, heat block) until after centrifugation and separation of cells.


Specimen Minimum Volume

0.65 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 14 days
  Ambient  14 days
  Frozen  14 days

Reference Values

≥16 years: ≤1.5 centipoises

Reference values have not been established for patients that are <16 years of age.

Day(s) and Time(s) Performed

Monday through Friday; Continuously until 2 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

85810

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

Serum gel tube

Method Name

Sonoclot Coagulation Analyzer

Forms

If not ordering electronically, complete, print, and send the following form with the specimen:

Hematopathology/Cytogenetics Test Request Form (T726) (http://www.mayomedicallaboratories.com/it-mmfiles/hematopathology-request-form.pdf)