What does modifier 52 mean?

Modifier 52 indicates that a service was performed but has been reduced for some reason. In specific situations, the full range of a service may not be provided, which necessitates the use of this modifier. For instance, if a procedure is typically comprehensive but only certain aspects were conducted due to clinical circumstances or patient preferences, applying modifier 52 communicates to payers that the service was diminished from its standard form. This facilitates appropriate reimbursement while accurately reflecting the work done.

Other modifiers, such as those indicating that a service was not rendered or was increased, do not apply in this context, as modifier 52 specifically addresses a reduction in service rather than a complete lack of service or an enhancement.