Release 4 5 Preview #3
This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU ). This is the current published version in it's permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions
Orders and Observations Work Group Maturity Level : N/A Standards Status : Informative Compartments : Not linked to any defined compartments

This is a representation of the json schema for Device, which is just a part of the full JSON Schema .

{
  "$schema": "http://json-schema.org/draft-06/schema#",
  "id": "http://hl7.org/fhir/json-schema/Device",
  "$ref": "#/definitions/Device",
  "description": "see http://hl7.org/fhir/json.html#schema for information about the FHIR Json Schemas",
  "definitions": {
    "Device": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "resourceType": {
          "description": "This is a Device resource",
          "const": "Device"
        },
        "id": {
          "description": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
          "$ref": "id.schema.json#/definitions/id"
        },
        "meta": {
          "description": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
          "$ref": "Meta.schema.json#/definitions/Meta"
        },
        "implicitRules": {
          "description": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
          "$ref": "#/definitions/uri"
        },
        "_implicitRules": {
          "description": "Extensions for implicitRules",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "language": {
          "description": "The base language in which the resource is written.",
          "$ref": "#/definitions/code"
        },
        "_language": {
          "description": "Extensions for language",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "text": {
          "description": "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
          "$ref": "Narrative.schema.json#/definitions/Narrative"
        },
        "contained": {
          "description": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",

          "description": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, nor can they have their own independent transaction scope.",

          "items": {
            "$ref": "ResourceList.schema.json#/definitions/ResourceList"
          },
          "type": "array"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "identifier": {
          "description": "Unique instance identifiers assigned to a device by manufacturers other organizations or owners.",
          "items": {
            "$ref": "Identifier.schema.json#/definitions/Identifier"
          },
          "type": "array"
        },
        "displayName": {
          "description": "The name used to display by default when the device is referenced. Based on intent of use by the resource creator, this may reflect one of the names in Device.deviceName, or may be another simple name.",
          "$ref": "#/definitions/string"
        },
        "_displayName": {
          "description": "Extensions for displayName",
          "$ref": "Element.schema.json#/definitions/Element"
        },

        "definition": {
          "description": "The reference to the definition for the device.",
          "$ref": "Reference.schema.json#/definitions/Reference"
        },
        "udiCarrier": {
          "description": "Unique device identifier (UDI) assigned to device label or package.  Note that the Device may include multiple udiCarriers as it either may include just the udiCarrier for the jurisdiction it is sold, or for multiple jurisdictions it could have been sold.",
          "items": {
            "$ref": "#/definitions/Device_UdiCarrier"
          },
          "type": "array"
        },
        "status": {
          "description": "Status of the Device availability.",

          "description": "Status of the Device record. This is not the status of the device like availability.",

          "enum": [
            "active",
            "inactive",
            "entered-in-error",
            "unknown"
          ]
        },
        "_status": {
          "description": "Extensions for status",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "statusReason": {
          "description": "Reason for the dtatus of the Device availability.",

          "description": "Reason for the status of the Device record. For example, why is the record not active.",

          "items": {
            "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
          },
          "type": "array"
        },
        "distinctIdentifier": {
          "description": "The distinct identification string as required by regulation for a human cell, tissue, or cellular and tissue-based product.",
          "$ref": "#/definitions/string"
        },
        "_distinctIdentifier": {
          "description": "Extensions for distinctIdentifier",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "manufacturer": {
          "description": "A name of the manufacturer.",

          "description": "A name of the manufacturer or entity legally responsible for the device.",

          "$ref": "#/definitions/string"
        },
        "_manufacturer": {
          "description": "Extensions for manufacturer",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "manufactureDate": {
          "description": "The date and time when the device was manufactured.",
          "$ref": "#/definitions/dateTime"
        },
        "_manufactureDate": {
          "description": "Extensions for manufactureDate",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "expirationDate": {
          "description": "The date and time beyond which this device is no longer valid or should not be used (if applicable).",
          "$ref": "#/definitions/dateTime"
        },
        "_expirationDate": {
          "description": "Extensions for expirationDate",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "lotNumber": {
          "description": "Lot number assigned by the manufacturer.",
          "$ref": "#/definitions/string"
        },
        "_lotNumber": {
          "description": "Extensions for lotNumber",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "serialNumber": {
          "description": "The serial number assigned by the organization when the device was manufactured.",
          "$ref": "#/definitions/string"
        },
        "_serialNumber": {
          "description": "Extensions for serialNumber",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "deviceName": {
          "description": "This represents the manufacturer\u0027s name of the device as provided by the device, from a UDI label, or by a person describing the Device.  This typically would be used when a person provides the name(s) or when the device represents one of the names available from DeviceDefinition.",
          "items": {
            "$ref": "#/definitions/Device_DeviceName"
          },
          "type": "array"
        },
        "modelNumber": {
          "description": "The model number for the device.",

          "description": "The manufacturer\u0027s model number for the device.",

          "$ref": "#/definitions/string"
        },
        "_modelNumber": {
          "description": "Extensions for modelNumber",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "partNumber": {
          "description": "The part number of the device.",

          "description": "The part number or catalog number of the device.",

          "$ref": "#/definitions/string"
        },
        "_partNumber": {
          "description": "Extensions for partNumber",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "type": {
          "description": "The kind or type of device.",
          "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"

          "description": "The kind or type of device. A device instance may have more than one type - in which case those are the types that apply to the specific instance of the device.",
          "items": {
            "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
          },
          "type": "array"

        },
        "specialization": {
          "description": "The capabilities supported on a  device, the standards to which the device conforms for a particular purpose, and used for the communication.",

          "description": "The device function, including in some cases whether or not the functionality conforms to some standard. For example, a PHD blood pressure specialization indicates that the device conforms to the IEEE 11073-10407 Blood Pressure Specialization. This is NOT an alternate name or an additional descriptive name given by the manufacturer. That would be found in the deviceName element.\nIn the PHD case, there are 11073 10101 nomenclature codes that define the specialization standards and that will be used, for example, in the PHD case for the specialization.systemType element. The specialization.version would be the version of the standard if the systemType referred to a standard.",

          "items": {
            "$ref": "#/definitions/Device_Specialization"
          },
          "type": "array"
        },
        "version": {
          "description": "The actual design of the device or software version running on the device.",
          "items": {
            "$ref": "#/definitions/Device_Version"
          },
          "type": "array"
        },
        "property": {
          "description": "The actual configuration settings of a device as it actually operates, e.g., regulation status, time properties.",
          "items": {
            "$ref": "#/definitions/Device_Property"
          },
          "type": "array"
        },
        "patient": {
          "description": "Patient information, If the device is affixed to a person.",

          "description": "Patient information, if the device is affixed to, or associated to a patient for their specific use, irrespective of the procedure, use, observation, or other activity that the device is involved in.",

          "$ref": "Reference.schema.json#/definitions/Reference"
        },
        "operationalStatus": {
          "description": "The status of the device itself - whether it is switched on, or activated, etc.",
          "$ref": "#/definitions/Device_OperationalStatus"
        },
        "associationStatus": {
          "description": "The state of the usage or application of the device - whether the device is implanted, or explanted, or attached to the patient.",
          "$ref": "#/definitions/Device_AssociationStatus"
        },

        "owner": {
          "description": "An organization that is responsible for the provision and ongoing maintenance of the device.",
          "$ref": "Reference.schema.json#/definitions/Reference"
        },
        "contact": {
          "description": "Contact details for an organization or a particular human that is responsible for the device.",
          "items": {
            "$ref": "ContactPoint.schema.json#/definitions/ContactPoint"
          },
          "type": "array"
        },
        "location": {
          "description": "The place where the device can be found.",
          "$ref": "Reference.schema.json#/definitions/Reference"
        },
        "url": {
          "description": "A network address on which the device may be contacted directly.",
          "$ref": "#/definitions/uri"
        },
        "_url": {
          "description": "Extensions for url",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "note": {
          "description": "Descriptive information, usage information or implantation information that is not captured in an existing element.",
          "items": {
            "$ref": "Annotation.schema.json#/definitions/Annotation"
          },
          "type": "array"
        },
        "safety": {
          "description": "Provides additional safety characteristics about a medical device.  For example devices containing latex.",
          "items": {
            "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
          },
          "type": "array"
        },
        "parent": {
          "description": "The parent device.",

          "description": "The device that this device is attached to or is part of.",

          "$ref": "Reference.schema.json#/definitions/Reference"
        }
      },
      "additionalProperties": false,
      "required": [
        "resourceType"
      ]
    },
    "Device_UdiCarrier": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "id": {
          "description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
          "$ref": "string.schema.json#/definitions/string"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "deviceIdentifier": {
          "description": "The device identifier (DI) is a mandatory, fixed portion of a UDI that identifies the labeler and the specific version or model of a device.",
          "$ref": "#/definitions/string"
        },
        "_deviceIdentifier": {
          "description": "Extensions for deviceIdentifier",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "issuer": {
          "description": "Organization that is charged with issuing UDIs for devices.  For example, the US FDA issuers include :\n1) GS1: \nhttp://hl7.org/fhir/NamingSystem/gs1-di, \n2) HIBCC:\nhttp://hl7.org/fhir/NamingSystem/hibcc-dI, \n3) ICCBBA for blood containers:\nhttp://hl7.org/fhir/NamingSystem/iccbba-blood-di, \n4) ICCBA for other devices:\nhttp://hl7.org/fhir/NamingSystem/iccbba-other-di.",
          "$ref": "#/definitions/uri"
        },
        "_issuer": {
          "description": "Extensions for issuer",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "jurisdiction": {
          "description": "The identity of the authoritative source for UDI generation within a  jurisdiction.  All UDIs are globally unique within a single namespace with the appropriate repository uri as the system.  For example,  UDIs of devices managed in the U.S. by the FDA, the value is  http://hl7.org/fhir/NamingSystem/fda-udi.",
          "$ref": "#/definitions/uri"
        },
        "_jurisdiction": {
          "description": "Extensions for jurisdiction",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "carrierAIDC": {
          "description": "The full UDI carrier of the Automatic Identification and Data Capture (AIDC) technology representation of the barcode string as printed on the packaging of the device - e.g., a barcode or RFID.   Because of limitations on character sets in XML and the need to round-trip JSON data through XML, AIDC Formats *SHALL* be base64 encoded.",
          "$ref": "#/definitions/base64Binary"
        },
        "_carrierAIDC": {
          "description": "Extensions for carrierAIDC",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "carrierHRF": {
          "description": "The full UDI carrier as the human readable form (HRF) representation of the barcode string as printed on the packaging of the device.",
          "$ref": "#/definitions/string"
        },
        "_carrierHRF": {
          "description": "Extensions for carrierHRF",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "entryType": {
          "description": "A coded entry to indicate how the data was entered.",
          "enum": [
            "barcode",
            "rfid",
            "manual",
            "card",
            "self-reported",
            "electronic-transmission",

            "unknown"
          ]
        },
        "_entryType": {
          "description": "Extensions for entryType",
          "$ref": "Element.schema.json#/definitions/Element"
        }
      },
      "additionalProperties": false
    },
    "Device_DeviceName": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "id": {
          "description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
          "$ref": "string.schema.json#/definitions/string"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "name": {
          "description": "The name of the device.",

          "description": "The name that identifies the device.",

          "$ref": "#/definitions/string"
        },
        "_name": {
          "description": "Extensions for name",
          "$ref": "Element.schema.json#/definitions/Element"
        },
        "type": {
          "description": "The type of deviceName.\nUDILabelName | UserFriendlyName | PatientReportedName | ManufactureDeviceName | ModelName.",

          "description": "The type of deviceName. Note that ManufactureDeviceName means that the name is the name as given by the manufacturer, not the name of the manufacturer.\nUDILabelName | UserFriendlyName | PatientReportedName | ManufactureDeviceName | ModelName.",

          "enum": [
            "udi-label-name",
            "user-friendly-name",
            "patient-reported-name",
            "manufacturer-name",
            "model-name",
            "other"
          ]
        },
        "_type": {
          "description": "Extensions for type",
          "$ref": "Element.schema.json#/definitions/Element"
        }
      },
      "additionalProperties": false
    },
    "Device_Specialization": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "id": {
          "description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
          "$ref": "string.schema.json#/definitions/string"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "systemType": {
          "description": "The standard that is used to operate and communicate.",
          "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
        },
        "version": {
          "description": "The version of the standard that is used to operate and communicate.",
          "$ref": "#/definitions/string"
        },
        "_version": {
          "description": "Extensions for version",
          "$ref": "Element.schema.json#/definitions/Element"
        }
      },
      "additionalProperties": false,
      "required": [
        "systemType"
      ]
    },
    "Device_Version": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "id": {
          "description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
          "$ref": "string.schema.json#/definitions/string"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "type": {
          "description": "The type of the device version.",

          "description": "The type of the device version, e.g. manufacturer, approved, internal.",

          "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
        },
        "component": {
          "description": "A single component of the device version.",

          "description": "The hardware or software module of the device to which the version applies.",

          "$ref": "Identifier.schema.json#/definitions/Identifier"
        },
        "value": {
          "description": "The version text.",
          "$ref": "#/definitions/string"
        },
        "_value": {
          "description": "Extensions for value",
          "$ref": "Element.schema.json#/definitions/Element"
        }
      },
      "additionalProperties": false
    },
    "Device_Property": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "id": {
          "description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
          "$ref": "string.schema.json#/definitions/string"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "type": {
          "description": "Code that specifies the property DeviceDefinitionPropetyCode (Extensible).",

          "description": "Code that specifies the property being represented. No codes are specified but the MDC codes are an example: https://build.fhir.org/mdc.html.",

          "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
        },
        "valueQuantity": {
          "description": "Property value as a quantity.",
          "items": {
            "$ref": "Quantity.schema.json#/definitions/Quantity"
          },
          "type": "array"
        },
        "valueCode": {
          "description": "Property value as a code, e.g., NTP4 (synced to NTP).",
          "items": {
            "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
          },
          "type": "array"
        }
      },
      "additionalProperties": false,
      "required": [
        "type"
      ]
    },
    "Device_OperationalStatus": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "id": {
          "description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
          "$ref": "string.schema.json#/definitions/string"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "value": {
          "description": "on |off | standby.",
          "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
        },
        "reason": {
          "description": "The reasons given for the current operational status - i.e. why is the device switched on etc.",
          "items": {
            "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
          },
          "type": "array"
        }
      },
      "additionalProperties": false
    },
    "Device_AssociationStatus": {
      "description": "A type of a manufactured item that is used in the provision of healthcare without being substantially changed through that activity. The device may be a medical or non-medical device.",
      "properties": {
        "id": {
          "description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
          "$ref": "string.schema.json#/definitions/string"
        },
        "extension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "modifierExtension": {
          "description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
          "items": {
            "$ref": "Extension.schema.json#/definitions/Extension"
          },
          "type": "array"
        },
        "value": {
          "description": "implanted|explanted|attached.",
          "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
        },
        "reason": {
          "description": "The reasons given for the current association status - i.e. why is the device explanted, or attached to the patient, etc.",
          "items": {
            "$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
          },
          "type": "array"
        }
      },
      "additionalProperties": false

    }
  }
}