FHIR CodeableConcept Data Type (R5)

CodeableConcept represents a concept that may be expressed in several code systems, plus free text. Element table, example JSON and FHIRPath for FHIR R5.

  • FHIR CodeableConcept Data Type (R5) — part of the free FHIR Toolbox library.
  • Runs entirely in your browser: your FHIR data is never uploaded to a server.

Overview

CodeableConcept represents a concept that may be expressed in several code systems, plus free text. It is the workhorse type for coded data: Observation.code, Condition.code, category and many more.

Elements

ElementTypeCardinalityDescription
CodeableConcept.codingCoding0..*Code defined by a terminology system

Example JSON (R5)

{
  "coding": [
    {
      "system": "http://loinc.org",
      "code": "8480-6",
      "display": "Systolic blood pressure"
    },
    {
      "system": "http://snomed.info/sct",
      "code": "271649006",
      "display": "Systolic blood pressure"
    }
  ],
  "text": "Systolic BP"
}

FHIRPath

  • Observation.code.coding.where(system='http://loinc.org').code — Pick the LOINC coding
  • Observation.code.text — Free text

FHIR Toolbox is a free, privacy-first collection of HL7 FHIR utilities by Omindra Labs. Every tool performs zero-server processing — your health data never leaves your device.