The chronicity extension is used in FHIR Condition resources to specify whether a medical condition is chronic.

Properties

Example extension:
{
  "url": "http://hl7.org/fhir/StructureDefinition/condition-related",
  "valueCoding": {
    "code": "C",
    "display": "Chronic",
    "system": "https://public.metriport.com/fhir/StructureDefinition/condition-chronicity.json"
  }
}
url
string
required
The URL of this extension’s JSON structure specification.
valueCoding
object
required
Contains the chronicity classification of the condition.
valueCoding.code
string
required
The code indicating chronicity status. Currently supports:
  • “C” for Chronic
  • “NC” for Not-Chronic
  • “U” for Unknown
valueCoding.display
string
required
The human-readable display text for the chronicity status.
valueCoding.system
string
required
The system that defines the chronicity codes.