VISCOSITY, SERUM

Specimen Required
Draw blood in a SST. Centrifuge, separate and send 2.0 mL serum (1.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Hemolyzed or clotted specimens

Methodology
Cone-Plate Viscometer

Stability
Room Temperature: 7 days; Refrigerated: 14 days; Frozen: 6 months

Reference Range
1.5-1.9 Relative to H2O

Performed
Monday, Wednesday

Turnaround Time4-10 days
Test CodeVISCS
CPT-4 Code (s)
85810
LOINC Codes
3128-6

Warde
Medical
Laboratory