# text.div
This code system http://hl7.org/fhir/reaction-event-severity defines the following codes:

Code | Display | Definition
mild | Mild | Causes mild physiological effects.
moderate | Moderate | Causes moderate physiological effects.
severe | Severe | Causes severe physiological effects.

# description
Clinical assessment of the severity of a reaction event as a whole, potentially considering multiple different manifestations.