Sengkang General Hospital Our Specialties Department of Pathology Lab Catalogue INTERNATIONAL NORMALISED RATIO (INR)

INTERNATIONAL NORMALISED RATIO (INR)

Lab Section Category	Haematology
Specimen Requirement	3 mL blood
Specimen Container	Sodium citrate tube containing 0.3 mL of 3.2% sodium citrate (Blue cap)
Turnaround Time	STAT: 1 hour Routine: 4 hours
Testing Laboratory	SKH
Reference Range / Interval	INR THERAPEUTIC RANGE FOR ORAL ANTICOAGULANTS: 2 - 3.5 The above INR target range could be adjusted for individual patients based on the anticoagulant.
Orderable on CPOE?	Yes
Day and Time Performed	Daily, 24 hours
Additional Information	Provided with Prothrombin test ordered.