What Is Modifier?

A two-character code appended to a CPT or HCPCS code to indicate that a service was altered in some way without changing its definition, such as a bilateral procedure or a repeat procedure.

Modifier across 2 exams

Modifier appears on the following exams. Each defines it in the context candidates are tested on:

CPC
A two-character code appended to a CPT or HCPCS code to indicate that a service was altered in some way without changing its definition, such as a bilateral procedure or a repeat procedure.
CBCS (NHA)
A two-character code appended to a CPT or HCPCS code to give additional detail about a service without changing its core definition, such as indicating a bilateral procedure or a distinct service. Correct modifier use is essential to accurate reimbursement.