code blue

noun, often capitalized C&B

Medical Definition of code blue

: a declaration of or a state of medical emergency and call for medical personnel and equipment to attempt to resuscitate a patient especially when in cardiac arrest or respiratory distress or failure summoned by emergency Code Blues, doctors had brought her back to life more than once— Bill Bryan also : the attempt to resuscitate the patient

Learn More About code blue

Dictionary Entries Near code blue

code

code blue

codecarboxylase

See More Nearby Entries 

Cite this Entry

“Code blue.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/code%20blue. Accessed 25 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!