When a medication is being administered, the time of service which can be billed to a third party includes the time the patient is in the prescriber's office, the time it takes to prepare the infusion, and the time it takes to administer the infusion. So, option D is correct.
Medication may be defined as the process of intake of drugs or medicines which are used to treat or prevent disease.
Therefore, the correct option for this question is D.
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