Warfarin

This guide shows how to prescribe warfarin and modify warfarin prescriptions.

1. In the patient record, click the Add button next to the Medication List menu item from the menu on the left.
2. Enter “warfarin” in the search box and click on Warfarin.
3. Select the order sentence. If there is no order sentence matching your criteria, select any option and edit the information in the following step.
4. Yellow fields must be completed to be able to sign the prescription. The indications and INR range can be edited at this stage.
5. The following fields must also be completed:
   1. Dosing instructions – this is a freetext field.
      • Following format only to be used for stable patients:
        • e.g. 3mg daily. Next INR 28/9/22 (Ordered)
      • Preferred format = date followed by dose, the date of next INR and if INR requested.
        • e.g. 26/9/22: 3mg, 27/9/22: 2mg, 28/9/22: INR (To be ordered)
   2. Review date – should be set to 8am on the date you would like the INR to next be checked. This should create a pop-up alert on the chosen day. Clinicians are advised to check an INR has been ordered and create a personal reminder to check the INR and dose accordingly later in the day.
6. Click on Orders for Signature, review details and then click on Sign. Refresh the screen. The drug is now prescribed.

1. Select Medication List, right click the Warfarin order and select Modify. Do NOT choose Cancel/Reorder.
2. Update the Dosing instructions and Review date fields.
3. Click on Orders for signature review details, click Sign and then Refresh. The drug is now prescribed.

To view modification history, hover over warfarin in either medication list or the drug chart, right click and select order information. The details of all changes will be listed.