Kenya Medical Laboratory Tests

INR Test in Kenya

Brief Description

it is a type of calculation based on prothrombin test results.It is used to monitor wafarin anticoagulant therapy


international normalized ratio

Patient Preparation

The patient may need to delay the daily dose of wafarin

Sample Type

whole blood or plasma

Sample volume

2.7ml or 1.8ml sized tube filled to 90% capacity"," with a minimum volume of90%of full draw

Sample collection Container

blue top tube(sodium citrate)

Sample collection instructions

evacuated collection tubes must be filled to completion and mixed immediately by inversion to ensure a proper blood to anticoagulant ratio

Sample storage

Store sample at room temperature upto 24hours"," after which the sample is centrifuged and plasma fr

Reference range

0-1 month: 0.9 -1.4",">1 month: 0.9-1.2

Results Turnaround

within 24 hours of receipt of samples

Diseases / Diagnostic Indicators

Too low INR levels indicate risk for blood clots while too high levels indicate risk for dangerous bleding as in the case of haemophilia.