Dilute RVVT Screen Ratio with Reflex
Centralized Core Laboratory - Mayo Clinic Laboratories :
Send Out
Tube Type:
Sodium citrate (Blue) tube
Collection Volume:
2.7 mL in 2.7mL Sodium Citrate tube
(1.0 mL plasma sent to Reference Lab, frozen)
Cause for Rejection:
Grossly hemolyzed, grossly lipemic, grossly icteric.
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.
Additional Info:
Reference value: ratio <1.20
CPT Code:
85613 (x3 if appropriate)
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
Test ID/Workstation :
DRVTI
Tube Type:
Sodium citrate (Blue) tube
Collection Volume:
2.7 mL in 2.7mL Sodium Citrate tube
(1.0 mL plasma sent to Reference Lab, frozen)
Cause for Rejection:
Grossly hemolyzed, grossly lipemic, grossly icteric.
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.
Additional Info:
Reference value: ratio <1.20
CPT Code:
85613 (x3 if appropriate)
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
