Final answer:
The system of establishing pre-determined rates based on patient category and facility type is known as diagnosis-related group (DRG) reimbursement.
Step-by-step explanation:
The system of establishing pre-determined rates based on patient category and facility type is known as diagnosis-related group (DRG) reimbursement. DRG reimbursement is a method of payment used in some healthcare systems where hospitals receive a fixed payment for treating patients with a specific diagnosis or condition, regardless of the actual costs incurred in providing the care.