Prothrombin Time (PT) Test | p t value
HowsoonwillIreceivemytestresults?Typically,peoplereceivetheirtestresultswithinafewhourstooneday.Yourhealthcareproviderwillexplainwhattheresultsmeanandwhetheryou’llneedadditionaltests.WhydoIhavetwosetsofresults?MostlaboratoriesreportyourPTtestresultsastheinternationalnormalizedratio,orINR.YourINRresultisacalculatedmeasurementthatadjustsfordifferencesinlaboratorytestingprocesses.WhatisanormalPT/INRrange?YourtestresultwillshowdifferentrangesforPTandINRsThenormalrangesforclottingare:11to13.5seco...
How soon will I receive my test results?Typically, people receive their test results within a few hours to one day. Your healthcare provider will explain what the results mean and whether you’ll need additional tests.
Why do I have two sets of results?Most laboratories report your PT test results as the international normalized ratio, or INR. Your INR result is a calculated measurement that adjusts for differences in laboratory testing processes.
What is a normal PT/INR range?Your test result will show different ranges for PT and INRs The normal ranges for clotting are:
11 to 13.5 secondsINR of 0.8 to 1.1INR of 2.0 to 3.0 is a general therapeutic range for people taking warfarin.What h...