Dilute Russell Viper Venom Time (dRVVT) with Reflex to dRVVT 1:1 Mix and Confirmation
0030461
Ordering Recommendation
 
Mnemonic
DRV CONF
Methodology
Electromagnetic Mechanical Clot Detection
Performed
Sun-Sat
Reported
1-2 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.  
Specimen Preparation
Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Serum, EDTA plasma, or Hemolyzed specimens.  
Remarks
  
Stability
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 2 weeks  
Reference Interval
 
 
Test Number Components Reference Interval
 Dilute Russell Viper Venom Time (dRVVT) 33-​44 seconds
 Dilute Russell Viper Venom (dRVVT) 1:1 Mix (performed if dRVVT > 44 seconds) 33-​44 seconds
 Dilute Russell Viper Venom Time (dRVVT) Confirmation Test (performed if dRVVT 1:1 Mix > 44 seconds) Negative
Interpretive Data
 
Note
If dRVVT is elevated, then dRVVT 1:1 mix will be added. If the dRVVT 1:1 mix is elevated, then the dRVVT confirmation test will be added. Additional charges apply.

For complete studies, refer to Lupus Anticoagulant Reflexive Panel (ARUP test code 0030181). 
CPT Code(s)
85613; if reflexed, add 85613
Components
Component Test Code*Component Chart NameLOINC
0030189dRVVT Confirmation52756-4
0030352dRVVT Screen6303-2
0030353dRVVT 1:1 Mix43397-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • dRVVT Screen w/rfl dRVVT Confirm & dRVVT 1:1 Mix