Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

VISCOSITY

ORDERING INFORMATION:
Sunquest Test Code:
VISC      Geisinger Epic Procedure Code: 85810         Geisinger Epic ID: 7233

SPECIMEN COLLECTION
Specimen type:
Serum.
Preferred collection container:
Specimen required:
2 mL aliquot of serum; minimum 1.5 mL.
Special notes:
None.
Patient preparation:
None.

SPECIMEN PROCESSING
Specimen processing instructions:
Incubate at 37°C for 30 minutes. Centrifuge immediately after incubation at designated time and speed to obtain platelet-poor serum (<10,000/µL). Do not freeze sample. 
Transport temperature:
Room temperature. Do not freeze sample.
Specimen stability:
Stable 24 hours at 20°C.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Reference interval:
1.4 - 1.8.
Additional information:
None.
CPT code(s):
85810
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Ratio of serum to water.
Methodology:
Manual
Synonyms:
Serum Viscosity
Clinical significance:
Increased serum viscosity is most commonly seen in patients with multiple myeloma and Waldnestrom's macroglobulinemia. Capillary occlusion and stasis hypoxia are commonly observed in patients with increased serum viscosity.
Doctoral Director(s:)
Michelle Grant DO    
Review Date: 04/29/2019

Performing Locations

Geisinger Medical Center

Performing laboratory: Coagulation
Technical Lead: Margaret Knowles-Tuchman
Frequency: Daily, all shifts
Performed stat? Yes
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*GMC - Geisinger Medical Center; GWV - Geisinger Wyoming Valley Medical Center; GSACH - Geisinger Shamokin Area Community Hospital; GBH - Geisinger Bloomsburg Hospital;
GCMC - Geisinger Community Medical Center (Scranton); GLH - Geisinger Lewistown Hospital; GHS - Geisinger Holy Spirit; GJSH - Geisinger Jersey Shore Hospital,
GSWB - Geisinger South Wilkes-Barre