Serum Viscosity

Message

Performed in the Hematology Laboratory x5475, 76.
Requires Pathologist approval on weekends and holidays.
For approval, page the Pathologist on call (x1280)

Test Code

VIS

CPT Codes
85810

Preferred Specimen

serum

Minimum Volume

1.5 mL

Transport Container

5 mL gold top

Transport Temperature

Room Temperature

Specimen Stability

Can be stored at 2-8 degrees C for up to 2 days.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

QNS

Methodology
The Cannon-Manning Semi-Micro viscometer is used for this procedure.
The procedure measures the time the serum takes to pass between 2
points as compared to water.

Setup Schedule

M-F: 9am-3pm.
Saturday-Sunday : 9 am-3pm by Pathologist approval only.
Page the Pathologist on call (x1280)

Reference Range

1.4-1.8 (ratio of serum to water)

Clinical Significance

Increased werum viscosity is seen with multiple myeloma and Waldenstrom's macroglobulinemia.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.