{
  "resourceType": "CodeSystem",
  "id": "substance-category",
  "meta": {
    "lastUpdated": "2019-11-01T09:29:23.356+11:00",
    "profile": [
      "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"
    ]
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "oo"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 2
    }
  ],
  "url": "http://terminology.hl7.org/CodeSystem/substance-category",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.4.1138"
    }
  ],
  "version": "4.0.1",
  "name": "SubstanceCategoryCodes",
  "title": "Substance Category Codes",
  "status": "draft",
  "experimental": false,
  "publisher": "HL7 Orders and Observations Workgroup",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/orders/index.cfm"
        }
      ]
    }
  ],
  "description": "Substance category codes",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/substance-category",
  "content": "complete",
  "concept": [
    {
      "code": "allergen",
      "display": "Allergen",
      "definition": "A substance that causes an allergic reaction."
    },
    {
      "code": "biological",
      "display": "Biological Substance",
      "definition": "A substance that is produced by or extracted from a biological source."
    },
    {
      "code": "body",
      "display": "Body Substance",
      "definition": "A substance that comes directly from a human or an animal (e.g. blood, urine, feces, tears, etc.)."
    },
    {
      "code": "chemical",
      "display": "Chemical",
      "definition": "Any organic or inorganic substance of a particular molecular identity, including -- (i) any combination of such substances occurring in whole or in part as a result of a chemical reaction or occurring in nature and (ii) any element or uncombined radical (http://www.epa.gov/opptintr/import-export/pubs/importguide.pdf)."
    },
    {
      "code": "food",
      "display": "Dietary Substance",
      "definition": "A food, dietary ingredient, or dietary supplement for human or animal."
    },
    {
      "code": "drug",
      "display": "Drug or Medicament",
      "definition": "A substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease in man or other animals (Federal Food Drug and Cosmetic Act)."
    },
    {
      "code": "material",
      "display": "Material",
      "definition": "A finished product which is not normally ingested, absorbed or injected (e.g. steel, iron, wood, plastic and paper)."
    }
  ]
}