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.
Informally, medical staff use it to refer to a patient having an unintentional bowel movement , particularly while under anesthesia during surgery. download-code-brown
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"
"Code Brown" is the industry term for when someone has defecated or vomited in the pool, requiring immediate evacuation and thorough cleaning. requiring immediate evacuation and thorough cleaning.