INR
Test Information
Test Name
INR
Synonyms
Warfarin monitoring; International normalized ratio; PR; Prothrombin Ratio; Prothrombin Time
Department
Haematology
Price
$15.00
Price Disclaimer
Many services are free for eligible patients. A minimum charge may apply. Prices listed are for unfunded, individual, requests. Please contact us for commercial testing.
Preferred Specimen
Citrate
Testing Location
All
Turn Around Time
1 Day
Collection Information
Patient Requestable
Yes
Preparation
For Patients that require adjusted citrate tubes
- Main lab only
- Haematology will assess the need for a specialised collection tube and notify the Patient Services Lead.
- Consult the site lead - Haematology will provide the adjusted citrate tube. Specific collection requirements apply. Refer to Test Reference Manual.
- Site lead will issue a card to the patient for future collection.
Processing Information
Registration Code
PR (See notes for Clinical trials)
Notes
- INR (Prothrombin ratio) specifically requested in a small number of cases, add LOOK in clinical details
- Please note: Any Clinical trials that request PR and APTT, register CS
Methodology
Sample Storage
Ambient
Sample Stability
24 hours
Interpretations
View Interpretations