When a patient is being viewed on the Check In and other registration tabs within the EHR and that patient has a credit balance, the credit balance will now be displayed in green on the page:

Additionally, if the user clicks on the EHR Payment screen the credit balance will show next to Previous Balance. Then, if the patient wishes to use their credit to pay their copay the user can click Payment Override and select the 'Use Credit Balance' option. 

On the Check In tab a note will be displayed with the comments and 'Use Credit Balance' opted: