The modifier GZ is appended to procedure codes for noncovered Medicare services when
A) the item is excluded and an ABN is not required.
B) the item is expected to be denied as not reasonable but there is no signed ABN.
C) the item is expected to be paid in full.
D) the item is expected to be denied but there is a signed ABN.

Question

Quizplus · Accepted Answer

The GZ modifier is used when a provider expects a service to be denied as not reasonable and necessary, and there is no signed Advance Beneficiary Notice (ABN) on file.

The Modifier GZ Is Appended to Procedure Codes for Noncovered