"Code Black" is a term used in hospitals to indicate a situation where there are more patients than available resources, such as staff or beds. This often occurs during emergencies or disasters, requiring immediate action to manage the influx of patients effectively. The term gained popularity through the documentary and television series titled "Code Black," which showcases the challenges faced by medical professionals in high-pressure environments. The series highlights the intense situations in emergency rooms, emphasizing the need for teamwork and quick decision-making to save lives.