Warfarin, Serum or Plasma-994

Test info

  
Warfarin, Serum or Plasma
  
994
  
LAB994
  
MSO
  
Coumadin
Jantoven
Sodium Warfarin

Specimen

  
Serum
  
  
2.0 mL
  
0.6 mL
  

Immediately after collection, mix tube thoroughly by gentle inversion, 8 - 10 times, to prevent clotting

  
  1. Allow sample to clot
  2. Spin within two (2) hours of sample collection
  3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum
  
EDTA plasma
  
  

Immediately after collection, mix tube thoroughly by gentle inversion, 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 plasma
  

Ambient (preferred) - 30 days

Refrigerated - 30 days

Frozen - 15 months

  
  • Gel-barrier tube

Performance

  
NMS (4800SP) via LabCorp (832122): R-NX
  
Mo - Fr
  
8 days
  

High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

Clinical and Interpretive info

  

mcg/mL

Reporting Limit 0.2 mcg/mL

Billing

  
G0480
  
Result 4098-0

Tracking

  
05/22/2019
  
08/25/2023
  
08/25/2023