Final answer:
Per diem payment refers to an amount paid for a group of services provided in a single day in the healthcare industry.
Step-by-step explanation:
Per diem payment refers to an amount paid for a group of services provided in a single day. It is a payment method commonly used in healthcare, where providers are reimbursed a flat rate for all services provided to a patient in a single day, regardless of the actual services provided. This payment method is often used in hospitals, nursing homes, and other healthcare facilities.