To add a secondary procedure code to a charge that has already been created, select Create Add-On Charge from the Billing Menu.

Select the patient and highlight the primary code that needs the Add-On Charge.

Choose the Add-On Code by clicking the arrow at the end of the pink highlighted field and selecting a code. 

The charge amount will automatically populate. 

Note: Attaching an authorization will make this add-on count as a visit used toward the authorization. 

The Add-On Charge will be listed in View/Edit Charges under the primary code.