# Access Restriction Reason Code (2.8.1 - 1.0.0) - HL7 v2.8.1 Vocabulary v0.2.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Access Restriction Reason Code (2.8.1 - 1.0.0)**

## CodeSystem: Access Restriction Reason Code (2.8.1 - 1.0.0) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/accessRestrictionReason | *Version*:1.0.0 |
| Active as of 2026-03-13 | *Computable Name*:AccessRestrictionReason |
| *Other Identifiers:*OID:2.16.840.1.113883.18.389, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0719 | |
| **Copyright/Legal**: HL7 Inc., 2026 | |

 
Code system of concepts specifying the reason for the restricted access. Used in HL7 Version 2.x messaging in the ARV segment. 

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

* [Hl7VSaccessRestrictionReasonCode](ValueSet-hl7VSaccessRestrictionReasonCode.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "accessRestrictionReason",
  "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" : "0719"
  }],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/accessRestrictionReason",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.18.389"
  },
  {
    "system" : "urn:ietf:rfc:3986",
    "value" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0719"
  }],
  "version" : "1.0.0",
  "name" : "AccessRestrictionReason",
  "title" : "Access Restriction Reason Code (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" : "Code system of concepts specifying the reason for the restricted access.  Used in HL7 Version 2.x messaging in the ARV segment.",
  "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" : "DIA",
    "display" : "Diagnosis-related",
    "definition" : "Diagnosis-related",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "EMP",
    "display" : "Employee of this organization",
    "definition" : "Employee of this organization",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "ORG",
    "display" : "Organizational policy or requirement",
    "definition" : "Organizational policy or requirement",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "PAT",
    "display" : "Patient Request",
    "definition" : "Patient Request",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "PHY",
    "display" : "Physician Request",
    "definition" : "Physician Request",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "REG",
    "display" : "Regulatory requirement",
    "definition" : "Regulatory requirement",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "code" : "VIP",
    "display" : "Very important person or celebrity",
    "definition" : "Very important person or celebrity",
    "property" : [{
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  }]
}

```
