# Mood Codes (2.8.1 - 1.0.0) - HL7 v2.8.1 Vocabulary v0.2.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Mood Codes (2.8.1 - 1.0.0)**

## CodeSystem: Mood Codes (2.8.1 - 1.0.0) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/moodCodes | *Version*:1.0.0 |
| Active as of 2026-03-13 | *Computable Name*:MoodCodes |
| *Other Identifiers:*OID:2.16.840.1.113883.18.390, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0725 | |
| **Copyright/Legal**: HL7 Inc., 2026 | |

 
HL7-defined code system of concepts that represent the functional state of an order. Used in HL7 Version 2.x messaging in the RXO and OBX segments. 

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

* [Hl7VSmoodCodes](ValueSet-hl7VSmoodCodes.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "moodCodes",
  "extension" : [{
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
    "valueString" : "2.8.1"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
    "valueString" : "generate correct history somehow"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
    "valueString" : "0725"
  }],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/moodCodes",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.18.390"
  },
  {
    "system" : "urn:ietf:rfc:3986",
    "value" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0725"
  }],
  "version" : "1.0.0",
  "name" : "MoodCodes",
  "title" : "Mood Codes (2.8.1 - 1.0.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-03-13T11:11:38+00:00",
  "publisher" : "HL7/FO",
  "contact" : [{
    "name" : "HL7/FO",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org"
    }]
  }],
  "description" : "HL7-defined code system of concepts that represent the functional state of an order.  Used in HL7 Version 2.x messaging in the RXO and OBX segments.",
  "copyright" : "HL7 Inc., 2026",
  "caseSensitive" : true,
  "compositional" : false,
  "content" : "complete",
  "property" : [{
    "code" : "versionIntroduced",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced",
    "description" : "version when was this code introduced",
    "type" : "string"
  },
  {
    "code" : "versionDeprecated",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated",
    "description" : "version when was this code deprecated",
    "type" : "string"
  },
  {
    "code" : "status",
    "uri" : "http://hl7.org/fhir/concept-properties#status",
    "description" : "A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired",
    "type" : "code"
  },
  {
    "code" : "comment",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment",
    "description" : "A string that provides additional detail pertinent to the use or understanding of the concept",
    "type" : "string"
  },
  {
    "code" : "usage",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage",
    "description" : "usage notes for this code",
    "type" : "string"
  },
  {
    "code" : "modified",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified",
    "description" : "date of last modification",
    "type" : "dateTime"
  }],
  "concept" : [{
    "code" : "APT",
    "display" : "Appointment",
    "definition" : "Appointment",
    "property" : [{
      "code" : "usage",
      "valueString" : "Planned act for specific time and place"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "ARQ",
    "display" : "Appointment Request",
    "definition" : "Appointment Request",
    "property" : [{
      "code" : "usage",
      "valueString" : "Request for Booking of an Appointment"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "EVN",
    "display" : "Event",
    "definition" : "Event",
    "property" : [{
      "code" : "usage",
      "valueString" : "Service actually happens or happened or is ongoing."
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "EVN.CRT",
    "display" : "Event Criterion",
    "definition" : "Event Criterion",
    "property" : [{
      "code" : "usage",
      "valueString" : "Criterion applying to Events for another Service to be applied.<p>This is an Act Mood Predicate."
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "EXP",
    "display" : "Expectation",
    "definition" : "Expectation",
    "property" : [{
      "code" : "usage",
      "valueString" : "Expecting that something will occur independently of  deliberate intent. E.g. expect a patient will discard medications."
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "INT",
    "display" : "Intent",
    "definition" : "Intent",
    "property" : [{
      "code" : "usage",
      "valueString" : "Plan to perform a service"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "PRMS",
    "display" : "Promise",
    "definition" : "Promise",
    "property" : [{
      "code" : "usage",
      "valueString" : "An intent to perform a service"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "PRP",
    "display" : "Proposal",
    "definition" : "Proposal",
    "property" : [{
      "code" : "usage",
      "valueString" : "Non-mandated intent to perform an act"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "RQO",
    "display" : "Request-Order",
    "definition" : "Request-Order",
    "property" : [{
      "code" : "usage",
      "valueString" : "Request or Order for a service"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  }]
}

```
