Final answer:
A visit that should not be billed is one that is covered by previous payments or involves interactions such as courtesy visits, informal consultations, or brief communications that don't require a full consultation.
Step-by-step explanation:
A scenario that depicts a visit that should not be billed is one where the interaction between the healthcare provider and the patient is non-billable according to healthcare regulations and insurance policy agreements. For example, if a patient has a scheduled follow-up visit that is included as part of a previously performed surgery's cost, then this visit may not be separately billable. Other non-billable visits could include informal consultations or courtesy visits where no actual medical service is provided, or scenarios where a doctor responds to a quick query via email or phone, which does not require a full consultation.