For the athletic teams of Auburn High School in Alabama, see Auburn High School Tigers. The Auburn Tigers are the athletic teams representing Auburn University, a public four-year coeducational university located in Auburn, Alabama. Auburn competes in Division I of the National Collegiate Athletic Association (NCAA) as a member of the Southeastern Conference (SEC). 1 Sports teams.
An ABN must be used to convey to the beneficiary that a provider believes that an item or service will not be covered when: 1  The item or service is not reasonable and necessary; or. 2  The item or service is provided in violation of the prohibition on unsolicited telephone contacts; or.
GA is a Medicare modifier used to indicate that the patient has signed an ABN (Advanced Beneficiary Notification). This allows the provider to bill the patient if the service is not covered by Medicare. Use of this modifier ensures that upon denial, Medicare will automatically assign the beneficiary liability.