Modifier 59 Fact Sheet - Learn how to correctly use modifiers 59, xe, xp, xs, and xu. Web modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported. It is often used when modifier 51 is the more. Under certain circumstances, it may be. Web modifier 59 is referred to by cms as the modifier of last resort.
Learn how to correctly use modifiers 59, xe, xp, xs, and xu. It is often used when modifier 51 is the more. Web modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported. Under certain circumstances, it may be. Web modifier 59 is referred to by cms as the modifier of last resort.