Test Catalog

Test ID: DRVTI    
Dilute Russell Viper Venom Time (DRVVT), with Reflex, Plasma

Useful For Suggests clinical disorders or settings where the test may be helpful

Detecting and confirming or helping to exclude the presence of lupus anticoagulants (LA)

 

Identifying LA that do not prolong the activated partial thromboplastin time (APTT)

 

Evaluating unexplained prolongation of the APTT or prothrombin time clotting tests

Reflex Tests Lists tests that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial tests.

Test IDReporting NameAvailable SeparatelyAlways Performed
DRVTJDRVVT Mix and Confirm Reflexes, PNoNo
MDRVTDRVVT Mix RatioNoNo
CDRVTDRVVT Confirmation RatioNoNo

Additional Tests Lists tests that are always performed, at an additional charge, with the initial tests.

Test IDReporting NameAvailable SeparatelyAlways Performed
DRVTKDRVVT InterpretationNoYes

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

If dilute Russell viper venom time (DRVVT) ratio is > or =1.2, then DRVVT mix and confirmation will be performed at an additional charge.

 

If DRVVT ratio is <1.2, the DRVVT mix and confirmation will not be performed.

 

A DRVVT interpretation will always be performed.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

Optical Clot-Based

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

DRVVT Screen Ratio, w/Reflex, P

Aliases Lists additional common names for a test, as an aid in searching

Dilute Russell's Viper Venom Time, Plasma
dRVVT (Dilute Russell's Viper Venom Time)