FHIR R4 Symptoms Implementation Guide
1.0.0-ballot - STU 1 Ballot International flag

This page is part of the Symptoms Data Standards (v1.0.0-ballot: STU 1 Ballot 1) based on FHIR (HL7® FHIR® Standard) R4. The current version which supersedes this version is 1.0.0. For a full list of available versions, see the Directory of published versions

CodeSystem: OccurrenceCS

Official URL: http://hl7.org/fhir/uv/symptoms/CodeSystem/openEHR-EHR-CLUSTER.symptom-sign.v2.at0186 Version: 1.0.0-ballot
Standards status: Trial-use Active as of 2025-12-18 Maturity Level: 1 Computable Name: OccurrenceCS

CodeSystem for Type of occurrence for this symptom or sign?

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

This case-sensitive code system http://hl7.org/fhir/uv/symptoms/CodeSystem/openEHR-EHR-CLUSTER.symptom-sign.v2.at0186 defines the following codes:

CodeDisplayDefinition
at0187 First occurrence This is the first ever occurrence of this symptom or sign.
at0188 Recurrence New occurrence of the same symptom or sign after a previous episode was resolved.

Description of the above table(s).