Test Code VISCS Viscosity, Serum
Additional Codes
Mayo Code |
VISCS |
EPIC Code |
LAB765 |
Suenquest Code |
VISCS |
Reporting Name
Viscosity, SUseful For
Detection of increased viscosity
Monitoring patients with hyperviscosity syndrome
Performing Laboratory

Specimen Type
Serum RedSpecimen 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 |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
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)