# US Core Category - US Core Implementation Guide v9.0.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **US Core Category**

## CodeSystem: US Core Category 

| | | |
| :--- | :--- | :--- |
| *Official URL*:http://hl7.org/fhir/us/core/CodeSystem/us-core-category | *Version*:9.0.0 | |
| * Standards status: *[Trial-use](http://hl7.org/fhir/R4/versions.html#std-process) | [Maturity Level](changes-between-versions.md#us-core-maturity-levels): 3 | *Computable Name*:USCoreCategory |
| *Other Identifiers:*OID:2.16.840.1.113883.4.642.40.2.16.3 | | |
| **Copyright/Legal**: Used by permission of HL7 International, all rights reserved Creative Commons License | | |

 
Category codes used across US Core Profiles and resource types. They are typically used when there is a need for categorization for searching and finding resources or workflow hints. 

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

* [USCoreScreeningAssessmentConditionCategory](ValueSet-us-core-screening-assessment-condition-category.md)
* [USCoreScreeningAssessmentObservationCategory](ValueSet-us-core-screening-assessment-observation-category.md)
* [USCoreScreeningAssessmentObservationMaximumCategory](ValueSet-us-core-screening-assessment-observation-maximum-category.md)
* [USCoreServiceRequestCategoryCodes](ValueSet-us-core-servicerequest-category.md)
* [USCoreSimpleObservationCategory](ValueSet-us-core-simple-observation-category.md)

**Changes since version 8.0.1:**

* The list of codes defined by the code system has changed



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "us-core-category",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 3
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cgp"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use",
    "_valueCode" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/us/core/ImplementationGuide/hl7.fhir.us.core"
      }]
    }
  }],
  "url" : "http://hl7.org/fhir/us/core/CodeSystem/us-core-category",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.40.2.16.3"
  }],
  "version" : "9.0.0",
  "name" : "USCoreCategory",
  "title" : "US Core Category",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-11-03",
  "publisher" : "HL7 International / Cross-Group Projects",
  "contact" : [{
    "name" : "HL7 International / Cross-Group Projects",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/cgp"
    },
    {
      "system" : "email",
      "value" : "cgp@lists.HL7.org"
    }]
  }],
  "description" : "Category codes used across US Core Profiles and resource types. They are typically used when there is a need for categorization for searching and finding resources or workflow hints.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "US"
    }]
  }],
  "copyright" : "Used by permission of HL7 International, all rights reserved Creative Commons License",
  "caseSensitive" : true,
  "content" : "complete",
  "concept" : [{
    "code" : "sdoh",
    "display" : "SDOH",
    "definition" : "Social Determinants of Health category"
  },
  {
    "code" : "functional-status",
    "display" : "Functional Status",
    "definition" : "Functional Status category"
  },
  {
    "code" : "disability-status",
    "display" : "Disability Status",
    "definition" : "Disability Status category"
  },
  {
    "code" : "cognitive-status",
    "display" : "Cognitive Status",
    "definition" : "Cognitive Status category"
  },
  {
    "code" : "treatment-intervention-preference",
    "display" : "Treatment Intervention Preference",
    "definition" : "A personal preference for a type of medical intervention (treatment) request under certain conditions."
  },
  {
    "code" : "care-experience-preference",
    "display" : "Care Experience Preference",
    "definition" : "Personal thoughts about something a person feels is relevant to their care experience and may be pertinent when planning their care."
  },
  {
    "code" : "observation-adi-documentation",
    "display" : "Observation ADI Documentation",
    "definition" : "Statement of presence and properties of patient or provider authored documents that record a patient's goals, preferences and priorities should a patient be unable to communicate them to a provider."
  },
  {
    "code" : "PMO",
    "display" : "Portable Medical Order (PMO)",
    "definition" : "Portable Medical Order (PMO) category"
  }]
}

```
