Rivaroxaban-994

Test info

  
Rivaroxaban
  
994
  
LAB994
  
MSO
  
Xarelto
  

Measurement of drug level in order to monitor therapeutic level and/or diagnose under-dosage or potential toxicity

Specimen

  
Sodium citrate (Na cit) plasma
  
  
1.0 mL
  
0.5 mL
(Note: This volume does not allow for repeat testing.)
  
  • Do not over or under fill tube as the ratio of anticoagulant to whole blood is critical
  • Coag – tube fill guidelines

  • Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
  
  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as Na citrate plasma
  
EDTA plasma
Heparin plasma
  

Lavender (EDTA), 4mL

Dk green heparin (Li or Na), no gel

 

  

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

  
  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as the appropriate plasma type
  

Ambient (preferred) - 7 days

Refrigerated - 14 days

Frozen - 14 days

Freeze/thaw cycles - stable x3

Performance

  
LabCorp Burlington (117050): R-NX
  
Tu
  
5 - 7 days
  

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Clinical and Interpretive info

  

An interpretive report will be provided

Billing

  
80299
  
No

Tracking

  
05/20/2019
  
08/17/2023
  
08/17/2023