How to add additional lookup values such as Account Types, Referral Sources, Schedule Types, Adjustment Reason Codes, Payment Types etc.

Go to Advanced Setup from the main menu and choose Claim Lookups.

The Claim Lookup screen will be shown as below.

Select the Lookup Type as ADJUSTMENT_REASON_CODE. Add all other required fields and click on Save.

To add Payment Type, select the Lookup Type as PAYMENT_TYPE.