code blue
Americannoun
Etymology
Origin of code blue
First recorded in 1980–85
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A code blue was called, and suddenly her mother was racing alongside a patient’s bed.
From Salon ● Apr. 21, 2026
The nurse called a code blue, a life-threatening emergency.
From Seattle Times ● May 23, 2021
The nurse called a code blue, and a team of more doctors and nurses ran over.
From Scientific American ● Nov. 9, 2019
A doctor touched the patient’s neck and said, “It’s not a code blue — she has a pulse!”
From New York Times ● Oct. 9, 2014
“Code blue, code blue in Trauma,” blares the PA.
From "If I Stay" by Gayle Forman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
