In some regions, like Australia, it refers to a system-wide external emergency (e.g., a pandemic or mass casualty event) that puts extreme pressure on hospital resources.
It is the name of a humorous, "stinky" puzzle game available on Google Play and Steam where players must solve puzzles to reach a bathroom. download-code-brown
It is often the designated code for a hazardous material spill or gas leak. In some regions, like Australia, it refers to
, alert staff, and evacuate the room until cleared by safety services. Public Pool Exit the water immediately as directed by lifeguards. Code Brown - Apps on Google Play In some regions
Informally, medical staff use it to refer to a patient having an unintentional bowel movement , particularly while under anesthesia during surgery.