Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

DRVV

ORDERING INFORMATION:
Sunquest Test Code:
DRVV      Geisinger Epic Procedure Code: 85613         Geisinger Epic ID: 7212

SPECIMEN COLLECTION
Specimen type:
Platelet-free plasma
Preferred collection container:
Alternate Collection Container:
Other size blue-top (3.2% sodium citrate) tubes (e.g., 1.8 mL, 4.5 mL)
Specimen required:
1 mL aliquot of plasma.
Special notes:
Do not draw blood from a heparinized line. Avoid contaminating the sample with tissue thromboplastin or heparin. Venipuncture must be performed with no trauma. If blood is drawn from an indwelling catheter, flush with 5 mL of saline and discard the first 5 mL of blood collected.

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge the citrated blue-top tubes as soon as possible (within 60 minutes) at designated time and speed to obtain platelet-poor plasma (<10,000/µL). Using a plastic pipette, remove 1 mL of plasma and transfer to a plastic aliquot tube and label with patient's name and a second patient identifier (e.g., date of birth, medical record number). 
Transport temperature:
Frozen.
Specimen stability:
Frozen: -20°C for 30 days, -70°C for 6 months. Room temperature: 4 hours.
Rejection criteria:
Clotted specimen. Stability limits exceeded.

TEST DETAILS
Reference interval:
Varies by site and lot of reagents. Current GMC = 26.7 - 37.8 sec.
CPT code(s):
85613
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
DRVV, DRVV ratio.
Methodology:
Mechanical Clot-Based
Synonyms:
DRVVT
DILUTE RUSSELL'S VIPER VENOM TIME
Clinical significance:
The dilute Russell's viper venom test is used to rule out the possible existence of a lupus anticoagulant. It is one of the various tests that aids in the true diagnosis of a lupus anticoagulant. It is a low phospholipid test.
Doctoral Director(s:)
Michelle Grant DO    
Review Date: 04/29/2019

Performing Locations

Geisinger Medical Center

Performing laboratory: Coagulation
Technical Lead: Margaret Knowles-Tuchman
Frequency: Daily, first shift
Performed stat? No
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