Pseudonyms
PT / INR (International Normalised Ratio)
Collection Requirements
Sodium Citrate Tube (Coagulation)
Tube Colour
Light Blue
Test image(s)
![](https://www.thermh.org.au/files/pathology/CitrateCoag2p7ml-LBlue.jpg)
Requires own tube?
No
Department
HaematologyReference Interval
Prothrombin time: As reported, INR: 0.8 - 1.3
Availability
24 hours
Fee
Medicare rebatable
Notes
See also Coagulation profile and DIC screen
Test code: INR
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