Test Name
LUPUS ANTICOAGULANT (LA) PANEL
Aliases
LUPUS ANTICOAGULANT PROFILE, APTT MIXING STUDIES, DILUTE RUSSEL VIPER VENOM TIME
Abbreviations
LAC, DRVVT, RVVT
Test Classification
GROUPED TEST
Department
HEMATOLOGY
Sub Department
COAGULATION
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
5
TAT Units
DAYS
Test Requirements
FROZEN, DOUBLE CENTRIFUGED CITRATED PLASMA required. Collect whole blood in citrate tube(s) filled up to the mark, centrifuge, separate plasma, centrifuge plasma, separate & FREEZE supernatant.
For instructions/ further guidance on how to prepare platelet poor plasma, please visit this Youtube Video.
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Frozen
ANALYTE STABILITY
Frozen: 6 months at -20°C
Test components: Activated Partial Thromboplastin Time (aPTT), Dilute Russell’s Viper Venom Time (dRVVT), Hexagonal Phase Phospholipid Test / Mixing Studies, Confirmatory phospholipid-dependent assay
Clinical Utility
Thrombosis and thrombosis risk assessment.
Last Review
26th Feb 2026