Dilute Russell Viper Venom Time (dRVVT) with Reflex to dRVVT 1:1 Mix and Confirmation
Ordering Recommendation
Preferred test is Lupus Anticoagulant Reflexive Panel (0030181).
Mnemonic
Methodology
Electromagnetic Mechanical Clot Detection
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
Specimen Required
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Serum, EDTA plasma, clotted or hemolyzed specimens.
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
Reference Interval
Test Number |
Components |
Reference Interval |
---|---|---|
dRVVT Screen | 33-44 seconds | |
dRVVT 1:1 Mix | 33-44 seconds | |
dRVVT Confirmation | Negative |
Interpretive Data
FDA
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).
Hotline History
CPT Codes
85613; if reflexed, add 85613 x2
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0030189 | dRVVT Confirmation | 50410-0 |
0030352 | dRVVT Screen | 6303-2 |
0030353 | dRVVT 1:1 Mix | 75513-2 |
Aliases
- dRVVT Screen w/rfl dRVVT Confirm & dRVVT 1:1 Mix