Final answer:
The correct code for reporting routine postoperative care is 99024. It is part of the global surgical package and is typically included in the global surgery payment, thus usually not billed separately.
Step-by-step explanation:
The code used to report routine postoperative care is A) 99024. This code is part of the global surgical package and is used to report follow-up visits following surgical procedures. These visits are typically included in the global surgery payment and are not billed separately, unless there are complications or exceptions as specified by the payer. It is important for healthcare providers to document all care provided and to know payer-specific guidelines to ensure compliance and proper billing.