# Collection Event/Process Step Limit (2.9.1 - 1.0.1) - HL7 v2.9.1 Vocabulary v0.2.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Collection Event/Process Step Limit (2.9.1 - 1.0.1)**

## CodeSystem: Collection Event/Process Step Limit (2.9.1 - 1.0.1) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/collectionEvent | *Version*:1.0.1 |
| Active as of 2026-03-13 | *Computable Name*:CollectionEvent |
| *Other Identifiers:*OID:2.16.840.1.113883.18.441, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0938 | |
| **Copyright/Legal**: HL7 Inc., 2026 | |

 
HL7-defined code system of concepts specifying the limit for the collection event or process step. Used in HL7 Version 2.x messaging in the OMC segment. 

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

* [Hl7VSVS-collectionEvent](ValueSet-hl7VSVS-collectionEvent.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "collectionEvent",
  "extension" : [{
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
    "valueString" : "2.9.1"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
    "valueString" : "generate correct history somehow"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
    "valueString" : "0938"
  }],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/collectionEvent",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.18.441"
  },
  {
    "system" : "urn:ietf:rfc:3986",
    "value" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0938"
  }],
  "version" : "1.0.1",
  "name" : "CollectionEvent",
  "title" : "Collection Event/Process Step Limit (2.9.1 - 1.0.1)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-03-13T11:04:57+00:00",
  "publisher" : "HL7/FO",
  "contact" : [{
    "name" : "HL7/FO",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org"
    }]
  }],
  "description" : "HL7-defined code system of concepts specifying the limit for the collection event or process step.  Used in HL7 Version 2.x messaging in the OMC 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" : [{
    "id" : "6723",
    "code" : "DRW",
    "display" : "Collecting the specimen",
    "definition" : "Collecting the specimen",
    "property" : [{
      "code" : "comment",
      "valueString" : "When the specimen is collected (e.g. fasting status)"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.8.2"
    }]
  },
  {
    "id" : "6722",
    "code" : "ORD",
    "display" : "Placing the order",
    "definition" : "Placing the order",
    "property" : [{
      "code" : "comment",
      "valueString" : "At time of placing the order"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.8.2"
    }]
  }]
}

```
