Sample type: Whole Blood
Test name: INR a.k.a. Internationalised Normalised Ratio, PT Prothrombin Time
Condition / Indication: Monitoring of warfarin therapy
Special precautions & notes: Must be assayed within 8 hours
Reference range: 1.0 - 1.3 (no anti-coagulation), for advice on therapeutic levels contact the anticoagulation monitoring team.
Container: Citrate (Blue top)
Ideal volume (mL): 2.7 mL
Turnaround time: 24 hours