FHIR Tooling Extensions IG
1.1.0 - Release 0.2.0 International flag

This page is part of the HL7 Tools Extension IG (v1.1.0: Release - Informative) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version. For a full list of available versions, see the Directory of published versions

CodeSystem: Json Empty Behavior Codes

Official URL: http://hl7.org/fhir/tools/CodeSystem/json-empty-behavior Version: 1.1.0
Standards status: Informative Active as of 2026-03-03 Maturity Level: 4 Computable Name: JsonEmptyBehaviorCodes
Other Identifiers: OID:2.16.840.1.113883.4.642.40.1.16.10

empty-behaviour: what should be in JSON when a repeating elements has no items. Can be absent, present, or either

This Code system is referenced in the definition of the following value sets:

Language: en

This case-sensitive code system http://hl7.org/fhir/tools/CodeSystem/json-empty-behavior defines the following codes:

CodeDefinition
absent When there's no items, the json property for the array must be missing
present When there's no items, the json property for the array must be present and empty
either When there's no items, the json property for the array may be present and empty, or absent

Description of the above table(s).