What does CODE 21 stand for?

CODE 21 stands for "Paramedics required"

How to abbreviate "Paramedics required"?

"Paramedics required" can be abbreviated as CODE 21

What is the meaning of CODE 21 abbreviation?

The meaning of CODE 21 abbreviation is "Paramedics required"

What does CODE 21 mean?

CODE 21 as abbreviation means "Paramedics required"