Which of the following pieces of information is NOT required on a dispensing label?

The correct answer is that the prescriber's phone number is not required on a dispensing label.

When it comes to dispensing labels, specific information is mandated to ensure clear communication and proper identification of the medication. This includes the date the prescription was filled, which is crucial for tracking the medication’s shelf life and establishing clarity on when the patient should return or seek refills. The prescription number is also essential, as it uniquely identifies that specific prescription, facilitating any future inquiries or refills. Additionally, the name of the prescriber is important for identifying who authorized the medication, contributing to proper management of the patient's medication therapy.

In contrast, while having the prescriber's phone number can be helpful for quick contact in case of necessary clarifications or emergencies, it is not a mandated part of the dispensing label according to pharmacy regulations. This distinction helps streamline required information on labels while ensuring that unnecessary details do not clutter it, promoting clarity for the patient and healthcare providers alike.