{"caseSensitive":true,"concept":[{"code":"CC","definition":"Patient's stated reason for seeking care.","display":"Chief Complaint"},{"code":"HC","definition":"An identified issue, risk, or concern requiring monitoring or management.","display":"Health Concern"},{"code":"AD","definition":"Diagnosis (often provisional) documented as the reason for admission to the facility.","display":"Admitting Diagnosis"},{"code":"RV","definition":"Provider-recognized reason for the encounter (may differ from chief complaint).","display":"Reason for Visit"},{"code":"HM","definition":"Preventive or routine services (e.g., screening, immunization) performed to maintain health.","display":"Health Maintenance (including screening)"}],"contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"},{"system":"email","value":"fhir@lists.hl7.org"}]}],"content":"complete","date":"2021-01-05T10:01:24+11:00","description":"Encounter Reason Use","experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"pa"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"informative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":0}],"id":"encounter-reason-use","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.2114"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-03-19T07:57:50.446+11:00"},"name":"EncounterReasonUse","publisher":"HL7 (FHIR Project)","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem encounter-reason-use</b></p><a name=\"encounter-reason-use\"> </a><a name=\"hcencounter-reason-use\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2021-01-05T10:01:24.148+11:00</p></div><p>This case-sensitive code system <code>http://hl7.org/fhir/encounter-reason-use</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">CC<a name=\"encounter-reason-use-CC\"> </a></td><td>Chief Complaint</td><td>Patient's stated reason for seeking care.</td></tr><tr><td style=\"white-space:nowrap\">HC<a name=\"encounter-reason-use-HC\"> </a></td><td>Health Concern</td><td>An identified issue, risk, or concern requiring monitoring or management.</td></tr><tr><td style=\"white-space:nowrap\">AD<a name=\"encounter-reason-use-AD\"> </a></td><td>Admitting Diagnosis</td><td>Diagnosis (often provisional) documented as the reason for admission to the facility.</td></tr><tr><td style=\"white-space:nowrap\">RV<a name=\"encounter-reason-use-RV\"> </a></td><td>Reason for Visit</td><td>Provider-recognized reason for the encounter (may differ from chief complaint).</td></tr><tr><td style=\"white-space:nowrap\">HM<a name=\"encounter-reason-use-HM\"> </a></td><td>Health Maintenance (including screening)</td><td>Preventive or routine services (e.g., screening, immunization) performed to maintain health.</td></tr></table></div>","status":"generated"},"title":"Encounter Reason Use","url":"http://hl7.org/fhir/encounter-reason-use","valueSet":"http://hl7.org/fhir/ValueSet/encounter-reason-use","version":"6.0.0-ballot4"}