# Participation (2.8.1 - 1.1.0) - HL7 v2.8.1 Vocabulary v0.1.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Participation (2.8.1 - 1.1.0)**

## CodeSystem: Participation (2.8.1 - 1.1.0) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/participation | *Version*:1.1.0 |
| Active as of 2026-01-27 | *Computable Name*:Participation |
| *Other Identifiers:*OID:2.16.840.1.113883.18.420 | |
| **Copyright/Legal**: HL7 Inc., 2026 | |

 
HL7-defined code system of concepts that represent functional involvement of a caregiver or member of a care team with an activity being transmitted (e.g., Case Manager, Evaluator, Transcriber, Nurse Care Practitioner, Midwife, Physician Assistant, etc.). Used in HL7 Version 2.x messaging in the PRT segment. 

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

* [Hl7VSparticipation](ValueSet-hl7VSparticipation.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "participation",
  "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" : "0912"
    }
  ],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/participation",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.18.420"
    }
  ],
  "version" : "1.1.0",
  "name" : "Participation",
  "title" : "Participation (2.8.1 - 1.1.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-01-27T19:45:38+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 functional involvement of a caregiver or member of a care team with an activity being transmitted (e.g., Case Manager, Evaluator, Transcriber, Nurse Care Practitioner, Midwife, Physician Assistant, etc.).  Used in HL7 Version 2.x messaging in the PRT 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" : "AAP",
      "display" : "Alert Acknowledging Provider",
      "definition" : "Alert Acknowledging Provider",
      "property" : [
        {
          "code" : "comment",
          "valueString" : "PRT-4 - identity of the clinical user"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.8"
        }
      ]
    },
    {
      "code" : "AC",
      "display" : "Administration Cosigner",
      "definition" : "Person that cosigned the prescription",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.8"
        }
      ]
    },
    {
      "code" : "AD",
      "display" : "Admitting Provider",
      "definition" : "Admitting Provider",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "PV1-17 Admitting doctor"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "AI",
      "display" : "Assistant/Alternate Interpreter",
      "definition" : "Assistant/Alternate Interpreter",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "AP",
      "display" : "Administering Provider",
      "definition" : "Administering Provider",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "RXA-10 Administering Provider"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "ARI",
      "display" : "Assistant Result Interpreter",
      "definition" : "Assistant Result Interpreter",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "AT",
      "display" : "Attending Provider",
      "definition" : "Attending Provider",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "PV1-7 Attending doctor"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "AUT",
      "display" : "AUT Author/Event Initiator",
      "definition" : "AUT Author/Event Initiator",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "ORC-19 Action By"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "CP",
      "display" : "Consulting Provider",
      "definition" : "Consulting Provider",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "DP",
      "display" : "Dispensing Provider",
      "definition" : "Dispensing Provider",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "RXD-10 Dispensing Provider"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "EP",
      "display" : "Entering Provider (probably not the same as transcriptionist)",
      "definition" : "Entering Provider (probably not the same as transcriptionist)",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "ORC-10 Entered By"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "EQUIP",
      "display" : "Equipment",
      "definition" : "Equipment",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "FHCP",
      "display" : "Family Health Care Professional",
      "definition" : "Family Health Care Professional",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "MDIR",
      "display" : "Medical Director",
      "definition" : "Medical Director",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "OBX-25 Performing Organization Medical Director"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "OP",
      "display" : "Ordering Provider",
      "definition" : "Ordering Provider",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "ORC-12 Ordering Provider, OBR-16 Ordering Provider, RXO-14 Ordering Provider's DEA Number, RXE-13 Ordering Provider's DEA Number, ORC-24 Ordering Provider Address"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "PB",
      "display" : "Packed by",
      "definition" : "Packed by",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "PH",
      "display" : "Pharmacist   (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID)",
      "definition" : "Pharmacist   (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID)",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "RXE-14 Pharmacist/Treatment Supplier's Verifier ID"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "PI",
      "display" : "Primary Interpreter",
      "definition" : "Primary Interpreter",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "PO",
      "display" : "Performing Organization",
      "definition" : "Performing Organization",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "POMD",
      "display" : "Performing Organization Medical Director",
      "definition" : "Performing Organization Medical Director",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "PP",
      "display" : "Primary Care Provider",
      "definition" : "Primary Care Provider",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "PRI",
      "display" : "Principal Result Interpreter",
      "definition" : "Principal Result Interpreter",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "RCT",
      "display" : "Results Copies To",
      "definition" : "Results Copies To",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "RO",
      "display" : "Responsible Observer",
      "definition" : "Responsible Observer",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "OBX-16 Responsible Observer"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "RP",
      "display" : "Referring Provider",
      "definition" : "Referring Provider",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "PV1-8 Referring doctor"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "RT",
      "display" : "Referred to Provider",
      "definition" : "Referred to Provider",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "SB",
      "display" : "Send by",
      "definition" : "Send by",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "SC",
      "display" : "Specimen Collector",
      "definition" : "Specimen Collector",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "OBR-10 Collector Identifier"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "TN",
      "display" : "Technician",
      "definition" : "Technician",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "TR",
      "display" : "Transcriptionist",
      "definition" : "Transcriptionist",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "VP",
      "display" : "Verifying Provider",
      "definition" : "Verifying Provider",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "ORC-11 Verified By"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "VPS",
      "display" : "Verifying Pharmaceutical Supplier   (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID)",
      "definition" : "Verifying Pharmaceutical Supplier   (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID)",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "RXE-14 Pharmacist/Treatment Supplier's Verifier ID"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "VTS",
      "display" : "Verifying Treatment Supplier   (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID)",
      "definition" : "Verifying Treatment Supplier   (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID)",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "RXE-14 Pharmacist/Treatment Supplier's Verifier ID"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "WAY",
      "display" : "Waypoint",
      "definition" : "Waypoint",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "WAYR",
      "display" : "Waypoint Recipient",
      "definition" : "Waypoint Recipient",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    }
  ]
}

```
