71f61991_Bleeding_Disorders__Measures
[Test] International Normalised Ratio (INR) [Ordered when/to] Used specifically to monitor warfarin or other coumarin anticoagulants. [Abnormal results may indicate] The higher the ratio the less the patient is likely to clot but more to bleed. [Measures] 
Time to clot: a standardised version of the PT test, the results comparable between laboratories worldwide.
Bleeding Disorders
Measures