What happens during a code blue?
Olivia Hensley
Updated on March 12, 2026
Code blue means that someone is experiencing a life threatening medical emergency. Usually, this means cardiac arrest (when the heart stops) or respiratory arrest (when breathing stops). All staff members near the location of the code may need to go to the patient.
What happens during a code blue in hospital?
The term "code blue" is a hospital emergency code used to describe the critical status of a patient. Hospital staff may call a code blue if a patient goes into cardiac arrest, has respiratory issues, or experiences any other medical emergency.What does a nurse do during code blue?
PRIMARY NURSE – calls the code, provides chest compressions until relieved, gives information to Team Leader about the patient, reviews the chart – orders, advanced directives, last labs and vital signs, etc.What are the steps of a code blue?
Code Blue checklist
- Floor team/RN identifies arrest - call code blue.
- Code cart and defibrillator is pulled into room as per usual.
- Place surgical mask on patient and start compressions – do not attempt airway or bag-valve mask intubation.
- Code team arrives and dons PPE.