Test Details
Mnemonic
DRVVT
Ordering Code
2500770
CPT-4 Code(s)
85613, plus 85613 for 1:1 MIX and/or 85613 for DRVVT Confirm, if reflexed, at additional cost
Specimen Information
Patient Preparation
Patient should not be receiving anticoagulant treatment (eg, warfarin, heparin).
Collect
Light blue 3.2 % sodium citrate
Specimen Preparation
For complete instructions see Coagulation Test Collection guide found under Resources/Interpretation Guides and Forms. Send 3.0 mL platelet-poor plasma in a screw capped plastic vial. CRITICAL FROZEN.
Minimum Volume
2.0 mL
Transport Temperature
Critical frozen
Rejection Criteria
Refrigerated, thawed, refrozen specimens, serum
Stability
Room temperature: 4 hours
Refrigerated: Unacceptable
Frozen: 30 days
Refrigerated: Unacceptable
Frozen: 30 days
Methodology
Clotting
Reference Range
Negative
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes