Which of the following situations may indicate a false claim? (Select the four that apply.)

A. A physician applies her name to a claim even though she was not in the office and the certified nurse midwife performed the service.

B. A physician performs a service he is not licensed for and bills the patient.

C. The billing system is programmed to insert diagnosis codes on a claim to pass Medicare claim audits.

D. A medical coder does not see appropriate documentation for the codes that were chosen by the physician's office, so he reaches out to the physician for documentation clarification.

E. A medical coder is told to always code a physician's service a certain way, even if there is no documentation of the service in the medical record.