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Test Code VISCS Viscosity, Serum

Additional Codes

LIS Code
VISCS
EPIC Code
LAB765
Mayo Code
SVISC

 


Specimen Required


Collection Container/Tube: Red top (serum gel/SST are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 3 mL

Collection Instructions:

1. Keep specimen at 37° C (eg, 37° C Thermopak, heat block) until after centrifugation.

2. Centrifuge and aliquot serum into plastic vial.


Useful For

Detection of increased viscosity

 

Monitoring patients with hyperviscosity syndrome

 

This test is not useful for patients with small concentrations of monoclonal proteins.

Method Name

Capillary Measurement

Reporting Name

Viscosity, S

Specimen Type

Serum Red

Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  14 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

≤1.5 centipoises

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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 US Food and Drug Administration.

CPT Code Information

85810

LOINC Code Information

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

 

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

Forms

If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen.