In MediBooks Auth Ref. and Auth No. are used in different places across the software, below are descriptions of how each is used.
Auth Ref: Authorization reference - This is related to Bills. Usually provided by the insurance company as the reference to authorize a procedure, treatment, etc.
Auth No: Authorization Number - This is related to payments. Payment authorization number provided by the payment provider - when using CityPay this is automatically populated with the Auth No returned by the API.