Follow these steps to add or update service codes and descriptors for subtypes:

1. Access Service Settings

• Navigate to Settings > Billing Setup > Services.

2. Add a New Service

• Click on Add Service in the top right corner.
  
• Enter the required details.
  
• Click Save to complete the process.

3. Update an Existing Service

• Locate the service you want to modify.
• Click the Edit icon under the Action column.
  
• Update the name or details as needed.
• Clicking on Delete Icon will delete the service
  
• Click Save to apply the changes.

If you have any questions or need further assistance, feel free to reach out!