For radiopharmaceuticals, which requirement must be followed on the label?

The requirement for radiopharmaceuticals to include a beyond-use date on the label is essential for ensuring patient safety and efficacy of the medication. Radiopharmaceuticals are unique in that they have specific stability profiles, which can change due to factors such as radioactivity decay. The beyond-use date is crucial because it informs pharmacists, healthcare providers, and patients of the timeframe in which the product should be utilized to avoid potential risks associated with using an expired compound.

Including a beyond-use date helps maintain the integrity of the medication, ensuring it will be effective and safe when administered to patients. This aspect is particularly critical for radiopharmaceuticals, which are often used for diagnostic imaging and therapeutic purposes that depend on the precise timing of the dose.

The other options, while they may have their own relevance in pharmacy labeling, do not hold the same critical importance for radiopharmaceuticals specifically as the beyond-use date does. Therefore, emphasizing the inclusion of the beyond-use date aligns with best practices and regulatory standards in pharmacy regarding the handling and safety of radiopharmaceuticals.