Which term best describes items that are needed immediately and can be replenished later?

The term that best describes items that are needed immediately and can be replenished later is "just-in-time supplies." This concept is grounded in inventory management practices where items are delivered or made available as they are needed, minimizing storage costs and reducing waste from overstocking. In the context of sterile processing, just-in-time supplies ensure that necessary instruments or materials are at hand when required for procedures, thereby maintaining efficiency and supporting prompt patient care.

Other terms like non-essential items do not capture the immediacy and replenishing aspect. Inventory stock refers more broadly to items available at a facility but doesn’t imply the urgency associated with just-in-time supplies. Casual items might suggest items used occasionally and would not accurately highlight the urgency or necessity of having supplies ready for immediate use. Thus, just-in-time supplies is the most appropriate term that encapsulates the requirements and operational advantages in the sterile processing context.