Determining the level of service for proper evaluation and management and coding for non-surgical procedures is an art. The use of modifiers is key to obtain proper reimbursement. Instructions Explain what is the 25 modifier and why is it only to be used on E/M codes. About the XU/XS HCPCS II modifiers, why are they so important in order to have proper third-party payments? Discuss with your classmates if you think all practices should be doing this. Taking their