As mentioned in the Pre-requisites, go to the Orders screen from the doctor account.
Click on the view icon button as highlighted in the below image.
The orders associated with the encounter will be displayed as shown in the below image.
To update the status, click on the dropdown menu in the Status column and select the status (Pending, Ongoing, Completed, or Cancelled), as seen below.
The status will be updated as shown below.
The updated status will also be reflected in the orders from the admin account, as shown in the image below.