Skip to main content
Go to homepage

Dilute RVVT Screen Ratio with Reflex

Centralized Core Laboratory : Chemistry

Test ID/Workstation :
DRVTI MAYO
Specimen Type:
plasma
Tube Type:
Sodium citrate (Blue) tube
Collection Volume:
2.7 mL (minimum 1.8 mL) (1.0 mL plasma sent to Reference Lab, frozen)
Storage:
Frozen
Availability:
Sent to Reference Laboratory
Methodology:
Clot-based Assay
Special Instructions:
Testing while the patient is on anticoagulant therapy, including warfarin, dabigatran, or a direct Xa inhibitor may cause a false positive result.
Lab/Phone:
330-543-8418
TAT:
1-4 days
Additional Info:
Reference value: ratio <1.2
CPT Code:
85613 (x2)
Panel Includes:
DRVVT Screen DRVVT Mix and Confirm will be performed if the DRVVT screen is > or = 1.2
Synonyms:
Lupus Anticoagulant, Dilute Russell Viper Venom Time