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Viscosity, Serum

Important Note

This test is only collected at the Main Campus. See Special Test Considerations.

Additional Codes

Primary ID

Epic Code

Mayo Test ID

MVISC

LAB2433 VISCS

Reporting Name

Viscosity, S

Useful For

Detection of increased viscosity

 

Monitoring patients with hyperviscosity syndrome

Performing Laboratory

Mayo Clinic 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 Special Container
Serum Red Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  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; 3 p.m.

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were 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

LOINC Code Information

Test ID Test Order Name Order LOINC Value
VISCS Viscosity, S 3128-6

 

Result ID Test Result Name Result LOINC Value
8168 Viscosity, S 3128-6

Analytic Time

Same day/1 day

Specimen Retention Time

14 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

NY State Approved

Yes

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)

--Benign Hematology Test Request Form (T755)