Which of the following best describes HCPCS Level II codes?

HCPCS Level II codes are designed specifically to describe a wide range of products, services, and procedures that are not covered by CPT codes. This code set includes items such as medical supplies (like prosthetics and orthopedic devices), durable medical equipment (like wheelchairs and oxygen equipment), and various non-physician services (such as ambulance services). They play a crucial role in ensuring appropriate billing and reimbursement for these necessary healthcare items and services.

The other options do not accurately represent the scope and purpose of HCPCS Level II codes. If they pertained exclusively to particular hospital services or outpatient procedures, they would not encompass the broader range of medical supplies and equipment that they are intended to cover. Additionally, they are not synonymous with CPT codes, as CPT codes primarily classify physician services and procedures, while HCPCS Level II codes fill in the gaps for non-physician services and products.