Medication Prescription and Dispense (MPD)
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Medication Prescription and Dispense (MPD), published by Integrating the Healthcare Enterprise (IHE). This guide is not an authorized publication; it is the continuous build for version 1.0.0-comment-3 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/IHE/pharm-mpd/tree/115/merge and changes regularly. See the Directory of published versions
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Logical Model: DeviceBasic - Detailed Descriptions

Active as of 2026-04-23

Definitions for the DeviceBasic logical model.

Guidance on how to interpret the contents of this table can be foundhere

0. DeviceBasic
Definition

Logical model for a device (basic data relevant for the IHE MPD use cases)


Base definition for all types defined in FHIR type system.

ShortDevice (model)Base for all types and resources
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. DeviceBasic.identifier
Definition

Identifiers for a device

ShortIdentifiers for a device
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
4. DeviceBasic.name
Definition

The name or names of the device as known to the manufacturer and/or patient

ShortThe name or names of the device as known to the manufacturer and/or patient
Control0..*
TypeBackboneElement
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
6. DeviceBasic.name.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

ShortUnique id for inter-element referencing
Control0..1
This element is affected by the following invariants: ele-1
Typeidstring
Is Modifierfalse
XML FormatIn the XML format, this property is represented as an attribute.
Summaryfalse
8. DeviceBasic.name.extension
Definition

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 managable, 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.

ShortAdditional content defined by implementations
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

Control0..*
TypeExtension
Is Modifierfalse
Summaryfalse
Alternate Namesextensions, user content
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
SlicingThis element introduces a set of slices on DeviceBasic.name.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
  • value @ url
  • 10. DeviceBasic.name.modifierExtension
    Definition

    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's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, 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.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

    ShortExtensions that cannot be ignored even if unrecognized
    Comments

    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

    Control0..*
    TypeExtension
    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
    Summarytrue
    Requirements

    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

    Alternate Namesextensions, user content, modifiers
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    12. DeviceBasic.name.value
    Definition

    The term that names the device

    ShortThe term that names the device
    Control1..1
    Typestring
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    14. DeviceBasic.name.type
    Definition

    The type of name

    ShortThe type of name
    Control1..1
    Typecode
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension

    Guidance on how to interpret the contents of this table can be foundhere

    0. DeviceBasic
    Definition

    Logical model for a device (basic data relevant for the IHE MPD use cases)

    ShortDevice (model)
    Logical ModelInstances of this logical model are not marked to be the target of a Reference
    2. DeviceBasic.identifier
    Definition

    Identifiers for a device

    ShortIdentifiers for a device
    NoteThis is a business identifier, not a resource identifier (see discussion)
    Control0..*
    TypeIdentifier
    4. DeviceBasic.name
    Definition

    The name or names of the device as known to the manufacturer and/or patient

    ShortThe name or names of the device as known to the manufacturer and/or patient
    Control0..*
    TypeBackboneElement
    6. DeviceBasic.name.value
    Definition

    The term that names the device

    ShortThe term that names the device
    Control1..1
    Typestring
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    8. DeviceBasic.name.type
    Definition

    The type of name

    ShortThe type of name
    Control1..1
    Typecode
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension

    Guidance on how to interpret the contents of this table can be foundhere

    0. DeviceBasic
    Definition

    Logical model for a device (basic data relevant for the IHE MPD use cases)

    ShortDevice (model)
    Control0..*
    Is Modifierfalse
    Logical ModelInstances of this logical model are not marked to be the target of a Reference
    2. DeviceBasic.identifier
    Definition

    Identifiers for a device

    ShortIdentifiers for a device
    NoteThis is a business identifier, not a resource identifier (see discussion)
    Control0..*
    TypeIdentifier
    4. DeviceBasic.name
    Definition

    The name or names of the device as known to the manufacturer and/or patient

    ShortThe name or names of the device as known to the manufacturer and/or patient
    Control0..*
    TypeBackboneElement
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    6. DeviceBasic.name.id
    Definition

    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

    ShortUnique id for inter-element referencing
    Control0..1
    This element is affected by the following invariants: ele-1
    Typeid
    Is Modifierfalse
    XML FormatIn the XML format, this property is represented as an attribute.
    Summaryfalse
    8. DeviceBasic.name.extension
    Definition

    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 managable, 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.

    ShortAdditional content defined by implementations
    Comments

    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

    Control0..*
    TypeExtension
    Is Modifierfalse
    Summaryfalse
    Alternate Namesextensions, user content
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    SlicingThis element introduces a set of slices on DeviceBasic.name.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • value @ url
    • 10. DeviceBasic.name.modifierExtension
      Definition

      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's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, 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.

      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

      ShortExtensions that cannot be ignored even if unrecognized
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..*
      TypeExtension
      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
      Summarytrue
      Requirements

      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

      Alternate Namesextensions, user content, modifiers
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      12. DeviceBasic.name.value
      Definition

      The term that names the device

      ShortThe term that names the device
      Control1..1
      Typestring
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      14. DeviceBasic.name.type
      Definition

      The type of name

      ShortThe type of name
      Control1..1
      Typecode
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension