---
type: "codesystem"
title: "Encounter Reason Use"
codesystem: "encounter-reason-use"
---
# Encounter Reason Use

- **Official URL**: http://hl7.org/fhir/encounter-reason-use
- **Version**: 6.0.0
- **Status**: active
- **Name**: EncounterReasonUse
- **Title**: Encounter Reason Use
- **Publisher**: HL7 (FHIR Project)
- **Description**: Encounter Reason Use
- **Case Sensitive**: true
- **Content**: complete

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| CC | Chief Complaint | Patient's stated reason for seeking care. |
| HC | Health Concern | An identified issue, risk, or concern requiring monitoring or management. |
| AD | Admitting Diagnosis | Diagnosis (often provisional) documented as the reason for admission to the facility. |
| RV | Reason for Visit | Provider-recognized reason for the encounter (may differ from chief complaint). |
| HM | Health Maintenance (including screening) | Preventive or routine services (e.g., screening, immunization) performed to maintain health. |

## CodeSystem XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="encounter-reason-use"/>
  <meta>
    <lastUpdated value="2021-01-05T10:01:24.148+11:00"/>
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="pa"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="0"/>
  </extension>
  <url value="http://hl7.org/fhir/encounter-reason-use"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.2114"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="EncounterReasonUse"/>
  <title value="Encounter Reason Use"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2021-01-05T10:01:24+11:00"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="Encounter Reason Use"/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/encounter-reason-use"/>
  <content value="complete"/>
  <concept>
    <code value="CC"/>
    <display value="Chief Complaint"/>
    <definition value="Patient's stated reason for seeking care."/>
  </concept>
  <concept>
    <code value="HC"/>
    <display value="Health Concern"/>
    <definition value="An identified issue, risk, or concern requiring monitoring or management."/>
  </concept>
  <concept>
    <code value="AD"/>
    <display value="Admitting Diagnosis"/>
    <definition value="Diagnosis (often provisional) documented as the reason for admission to the facility."/>
  </concept>
  <concept>
    <code value="RV"/>
    <display value="Reason for Visit"/>
    <definition value="Provider-recognized reason for the encounter (may differ from chief complaint)."/>
  </concept>
  <concept>
    <code value="HM"/>
    <display value="Health Maintenance (including screening)"/>
    <definition value="Preventive or routine services (e.g., screening, immunization) performed to maintain health."/>
  </concept>
</CodeSystem>
```