CMS' coding modifiers are not always used to report clinical components of a service. Sometimes they can be used in order to provide information about how a service relates to Medicare coverage policies.
As healthcare providers increasingly accept financial risk associated with patient management due to the transition from fee-for-service to risk-/value-based reimbursement, the traditional model of healthcare reimbursement has been flipped upside down.
The April 2016 I/OCE update brought a host of code and status indicator changes, as well as corrections to CMS' large January update that instituted policies and codes from the 2016 OPPS final rule.
