The patient should not have to assemble the service.
A patient once placed three papers on my billing desk and asked which one described what she had paid for. Each had been issued by our organisation. One was a booking note, one a departmental receipt and one a final account. They were internally consistent if you understood our codes, but they did not explain the visit in language she could use. I could reconcile the entries. I could not defend asking her to understand the way we divided our work. That encounter has remained with me longer than the first monthly accounts I helped close.
I want a patient to know what will happen next without learning our internal organisation chart. Clinical decisions belong to qualified professionals. My responsibility is to make the appointments, explanations, payments and delivery arrangements around those decisions work together, including when a visit does not follow the usual sequence.