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23016 Serum Viscosity

Serum Viscosity
Test Code: SERVIS
Useful For

​Increased serum viscosity resulting from increased circulating immunoglobulins can be seen in Waldenstrom’s macroglobulinemia and multiply myeloma. It can also be seen in hyperproliferative states such as leukemias, polycythemia and myeloproliferative disorders.

Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Red Top Tube (RTT) ​ ​4.0 mL ​2.0 mL ​2.0 mL
Collection Processing Instructions
​Separate serum/plasma from cells within 2 hours of collection.
Transport serum specimen refrigerated.
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​Refrigerate ​1 week
Rejection Criteria
Frozen samples
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield ​Monday through Friday ​1 day ​Ostwald Viscometer
Reference Range Information
Performing Location Reference Range
​Marshfield ​Relative Viscosity  1.4-1.8
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​85810 ​ ​ ​ ​
Ordering Applications
Ordering Application Description
​COM

Serum Viscosity

​Cerner Serum Viscosity​
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Red Top Tube (RTT) ​ ​4.0 mL ​2.0 mL ​2.0 mL
Collection Processing
​Separate serum/plasma from cells within 2 hours of collection.
Transport serum specimen refrigerated.
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​Refrigerate ​1 week
Rejection Criteria
Frozen samples
Useful For

​Increased serum viscosity resulting from increased circulating immunoglobulins can be seen in Waldenstrom’s macroglobulinemia and multiply myeloma. It can also be seen in hyperproliferative states such as leukemias, polycythemia and myeloproliferative disorders.

Reference Range Information
Performing Location Reference Range
​Marshfield ​Relative Viscosity  1.4-1.8
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield ​Monday through Friday ​1 day ​Ostwald Viscometer
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​85810 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.