INR (International Normalised Ratio)
The International Normalised Ratio (INR) is derived from the prothrombin time and provides a standardised measure of anticoagulant therapy with Vitamin K antagonists, but is not valid for patients receiving other anticoagulants.
|Tube||05 (CP) - Citrate|
|Additional Information||This test can only be added to samples within 24 hours of collection.|
|Turn Around||A&E: N/A
Day Case: 6 Hours
In-Patient: 6 Hours
Out-Patient: 24 Hours
GP: 24 Hours
|Send to||Blood Sciences Cross Site|
|Contact||For further details please contact Leeds Pathology customer services: firstname.lastname@example.org.|
|Collection Con||Citrate tube must be filled to the fill line.
Instructions for Lab Staff: Standard lab processing- No special requirements.
|Ref. Range Notes||Blood Sciences Refernce ranges available through the useful information and links page: