Final answer:
The system that specifies the amount and type of resources used for every outpatient visit is the RBRVS (Resource-Based Relative Value Scale), which differs from the APC and DRG systems that are used for outpatient facilities and inpatient stays respectively.
Step-by-step explanation:
The system designed to specify the amount and type of resources used for every outpatient visit is the RBRVS (Resource-Based Relative Value Scale). The RBRVS is a payment method used to determine Medicare and various other health insurance payments for physicians' services and is designed to provide uniform payment information for medical services based on geographic cost differences and the resources required to provide a service. This contrasts with APCs (Ambulatory Payment Classifications), which are used for outpatient facility services under the Hospital Outpatient Prospective Payment System (OPPS), and DRGs (Diagnosis-Related Groups), which are used to determine hospital reimbursement for inpatient stays.