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Test & Collection Guide

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Prothrombin Time

Ordering information:

Warfarinsied outpatients can use a "Rule 3 Exemption" request to allow multiple INR collections to be made using the one request form.

Please click here for a link to the Rule 3 Exemption Request Form
Please click here for a link to the Warfarin Dosing Referral Form

Alternate names:
DINR, INR, PT
Laboratory:
Coagulation
Test Code:
INR, DINR
Specimen types:
Plasma
Container types:
Sodium CitrateSodium Citrate
Collection Instructions:
Transport specimen at Room Temperature to lab

Filled to label marker and mixed by inversion.

Patient Information - Warfarin Management-English
Patient Information - Warfarin Management-Greek
Patient Information - Warfarin Management-Simplified Chinese

 

 

Frequency:
Daily
Result Turnaround Time:
2 hours
Reference Interval:

Prothrombin Time: 10 - 15 seconds

Prothrombin Time is expressed as the International Normalised Ratio (INR):

Prophylaxis for atrial fibrillation 2.0 - 3.0 INR
Treatment of deep vein thrombosis 2.0 - 3.0 INR
Tissue heart valve replacement 2.0 - 3.0 INR
Mechanical heart valve replacement 2.5 - 3.5 INR
Anti-phospholipid syndrome 2.0 - 3.0 INR
Laboratory Use Only

  

Accessing Results

EMR: Pathology results are available via EMR.

Auscare: If EMR is unavailable, results can be accessed through Auscare. Don’t have an Auscare login? Complete the Auscare User Form.

To access Auscare, see instructions.

 

Forms & Collection Guides

Consent Form – Non-Medicare Tests
For tests not covered by Medicare. Download Form  

Pathology Request Form
Printable referral form for submitting pathology requests. Download Form.

Microbiology Swab Collection Guide 
Step-by-step instructions for correct swab collection. Download Guide.

Preferred Order of Draw
Instructions to ensure accurate blood collection and results. View Instructions 

 

Feedback

Eastern Health Pathology values your feedback as an important way to improve our services. Share concerns, suggestions, or compliments via the Eastern Health Feedback Service.