# Adjustment Action (2.9 - 1.0.1) - HL7 v2.9 Vocabulary v0.1.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Adjustment Action (2.9 - 1.0.1)**

## CodeSystem: Adjustment Action (2.9 - 1.0.1) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/adjustmentAction | *Version*:1.0.1 |
| Active as of 2026-01-27 | *Computable Name*:AdjustmentAction |
| *Other Identifiers:*OID:2.16.840.1.113883.18.369 | |
| **Copyright/Legal**: HL7 Inc., 2026 | |

 
Code system of concepts used to specify the action requested of the party that receives an adjustment. Used in the Adjustment (ADJ) segment in HL7 Version 2.x messaging. 

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

* [Hl7VSadjustmentAction](ValueSet-hl7VSadjustmentAction.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "adjustmentAction",
  "extension" : [
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
      "valueString" : "2.9"
    },
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
      "valueString" : "generate correct history somehow"
    },
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
      "valueString" : "0569"
    }
  ],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/adjustmentAction",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.18.369"
    }
  ],
  "version" : "1.0.1",
  "name" : "AdjustmentAction",
  "title" : "Adjustment Action (2.9 - 1.0.1)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-01-27T19:46:43+00:00",
  "publisher" : "HL7/FO",
  "contact" : [
    {
      "name" : "HL7/FO",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org"
        }
      ]
    }
  ],
  "description" : "Code system of concepts used to specify the action requested of the party that receives an adjustment.  Used in the Adjustment (ADJ) segment in HL7 Version 2.x messaging.",
  "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" : "EOB",
      "display" : "Print on EOB",
      "definition" : "Print on EOB",
      "property" : [
        {
          "code" : "comment",
          "valueString" : "Instructs party to print this adjustment on the EOB (Explanation of Benefits) handed to the patient"
        },
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.6"
        }
      ]
    },
    {
      "code" : "PAT",
      "display" : "Inform Patient",
      "definition" : "Inform Patient",
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.6"
        }
      ]
    },
    {
      "code" : "PRO",
      "display" : "Inform Provider",
      "definition" : "Inform Provider",
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.6"
        }
      ]
    }
  ]
}

```
