03/30/15
Examples When to Use Modifier XS
Currently, providers can use the -59 modifier to indicate that a code represents a service that is separate and distinct from another service with which it would usually be considered to be bundled. The primary issue associated with the -59 modifier is that it is defined for use in a wide variety of circumstances, such as a use to identify different encounters, different anatomic sites, and distinct services. Usage to identify a separate encounter is infrequent and usually correct; usage to define a separate anatomic site is less common and problematic; usage to define a distinct service is common and
Read More