Printable Test Catalog - OU Medicine

SPECIMEN REQUIRED: Frozen plasma
TUBE OR CONTAINER: Blue (citrate)
SPECIAL HANDLING: Draw 1 FULL citrate tube; tube must be filled
to the fill line to ensure proper anticoagulant
to blood ratio; Invert gently 3-4
times to prevent clotting
Send to lab immediately or centrifuge and
freeze plasma
SPECIMEN VOLUME: 1 full tube
Testing volume: 2 mL of PLASMA
MINIMUM VOLUME: 1 full tube
Testing volume: 1 mL of PLASMA
TEST INCLUDES: Screen, confirmation and ratio
TEST AVAILABILITY: Daily
TURNAROUND TIME: 1-7 days
REFERENCE RANGE: 31-44 seconds (screen)
30-38 seconds (confirmation)
0.8 - 1.2 ratio
OTHER NAMES: Stypven Time; Dilute Russell Viper Venom Test
(dRVVT)
METHODOLOGY: Clot detection
CLINICAL USE: Detect deficiencies of prothrombin, factor V, or
factor X
CPT: 85613
[VISC] Blood Viscosity
SPECIMEN REQUIRED: Refrigerated serum
TUBE OR CONTAINER: Red or Gold
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.5 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 2-3 days
REFERENCE RANGE: 1.6-1.9 relative to saline
METHODOLOGY: Viscosimetry (Ostwald)
CLINICAL USE: Evaluate hyperviscosity syndrome associated with
monoclonal gammopathy state
CPT: 85810
[VISCBF] Body Fluid Viscosity
SPECIMEN REQUIRED: Refrigerated body fluid
TUBE OR CONTAINER: Sterile tube
SPECIAL HANDLING: Specify source of fluid
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.5 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 2-4 days
METHODOLOGY: Viscometry
CLINICAL USE: Evaluate hyperviscosity syndrome associated with
monoclonal gammopathy state
CPT: 85810