Which of the following is true about HCPCS Level II codes?

HCPCS Level II codes include a wide range of codes specifically designed to identify non-physician services and items, including durable medical equipment (DME). This category encompasses items such as wheelchairs, crutches, and oxygen equipment that are vital for patient care. The use of these codes ensures that healthcare providers can accurately bill for these items and services, reflecting their use in patient treatment plans.

The other options provided do not hold true in the context of HCPCS Level II codes. While they serve a comprehensive role in the healthcare system, they are not universal codes used globally. Furthermore, they are not exclusive to mental health services, as they cover various healthcare areas beyond that scope. Finally, HCPCS Level II codes are utilized across the United States and are not confined to specific geographical regions, making them applicable to a wide range of practices and services within the country.