Viscosity, Whole Blood

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General Information

Lab Name
Viscosity, Whole Blood
Lab Code
WBVSG
Epic Ordering
Viscosity, Whole Blood
Description

Also see plasma viscosity under Lab Mnemonic: PLVISG

References

Chandler WL and Schmer G, Evaluation of a new dynamic viscometer for measuring the viscosity of whole blood and plasma, Clin Chem (1986) 32:505.

Synonyms
Components

Interpretation

Method

Laboratory developed method to measure the viscosity of serum, plasma, fluid or whole blood samples using a dynamic viscometer (Sonoclot II Surgical Analyzer).

Reference Range
See individual components
Ref. Range Notes
Hematocrit (%) Reference range
10 - 29 2.2 - 5.1
30 - 39 2.9 - 6.5
40 - 49 3.6 - 8.0
50 - 59 5.8 - 13.0
Interferences and Limitations

Samples with cryoglobulins may have a falsely depressed result if the sample has not been processed as a cryoglobulin.

Guidelines

Ordering & Collection

Specimen Type
Whole Blood
Collection

5 mL blood in LAVENDER TOP tube. If Clinician suspects Cryoprecipitate, contact Immunology lab 206 598-6149 for special handling instruction

Handling Instructions

Whole blood sample is labile, send to lab ASAP.

Note: Test must be performed within 24 hours of draw time. Fridays: blood must be received by 1pm. Call Immunology Lab at 206-598-6149. If sample is delayed in getting to the lab, request can be changed to a plasma viscosity (PLVISG).

Whole blood must be centrifuged and plasma aliquoted if order is changed.

Quantity
requested: entire specimen
minimum: 0.5 mL whole blood

Processing

Processing

Refrigerate whole blood or plasma if the order is changed.

Performance

LIS Dept Code
Immunology (IMM)
Performing Location(s)
UW-MT Immunology
206-520-4600

Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195
Frequency
Monday-Friday (not available on weekends or holidays without LM Resident approval.)
Available STAT?
No

Billing & Coding

CPT codes
85810
LOINC
4690-4
Interfaced Order Code
WBVIS