Which police code would be used to reference an emergency without specifying a location?

The choice of Code 3 is appropriate because it specifically indicates a response that requires lights and sirens, typically used for emergencies. This code conveys the urgency of the situation, allowing officers to respond quickly and effectively to an emergency incident without specifying a particular location.

In contrast, other codes provided do not align with the need to indicate an emergency in a general sense. For example, 10-99 typically refers to a wanted or stolen vehicle, which is specific and does not denote an emergency situation. Similarly, 10-44 often relates to an animal problem, and 10-46 pertains to a traffic accident, both of which are also location-specific scenarios. Hence, Code 3 stands out as the most appropriate choice for referencing an emergency without pinpointing a location.