Starter FHIR Implementation Guide
1.0.1 - draft International flag

Starter FHIR Implementation Guide, published by Jembi Health Systems. This guide is not an authorized publication; it is the continuous build for version 1.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/jembi/Starter-FHIR-IG/ and changes regularly. See the Directory of published versions

Resource Profile: GenericDrugDispensation - Detailed Descriptions

Draft as of 2024-11-17

Definitions for the generic-medication-dispense resource profile.

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

0. MedicationDispense
2. MedicationDispense.medication[x]
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
SlicingThis element introduces a set of slices on MedicationDispense.medication[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
  • type @ $this
  • 4. MedicationDispense.medication[x]:medicationCodeableConcept
    Slice NamemedicationCodeableConcept
    Control0..1
    TypeCodeableConcept
    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
    6. MedicationDispense.medication[x]:medicationCodeableConcept.coding
    TypeCoding(Strict Coding)
    8. MedicationDispense.medication[x]:medicationCodeableConcept.text
    Control1..?
    10. MedicationDispense.subject
    Control1..?
    TypeReference(Patient)
    12. MedicationDispense.context
    Control1..?
    TypeReference(Encounter - Initiated By The Facility Providing the Service)
    14. MedicationDispense.quantity
    Control1..?
    16. MedicationDispense.quantity.value
    Control1..?
    18. MedicationDispense.quantity.unit
    Control1..?
    20. MedicationDispense.quantity.system
    Control1..?
    22. MedicationDispense.quantity.code
    Control1..?
    24. MedicationDispense.daysSupply
    Control1..?
    26. MedicationDispense.daysSupply.value
    Control1..?
    28. MedicationDispense.daysSupply.unit
    Control1..?
    30. MedicationDispense.daysSupply.system
    Control1..?
    32. MedicationDispense.daysSupply.code
    Control1..?
    34. MedicationDispense.whenHandedOver
    Definition

    reason(s) why this should be supported.

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

    0. MedicationDispense
    Definition

    Indicates that a medication product is to be or has been dispensed for a named person/patient. This includes a description of the medication product (supply) provided and the instructions for administering the medication. The medication dispense is the result of a pharmacy system responding to a medication order.

    ShortDispensing a medication to a named patient
    Control0..*
    Is Modifierfalse
    Summaryfalse
    Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
    dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
    dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
    dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
    dom-6: A resource should have narrative for robust management (text.`div`.exists())
    mdd-1: whenHandedOver cannot be before whenPrepared (whenHandedOver.empty() or whenPrepared.empty() or whenHandedOver >= whenPrepared)
    mdd-1: whenHandedOver cannot be before whenPrepared (whenHandedOver.empty() or whenPrepared.empty() or whenHandedOver >= whenPrepared)
    2. MedicationDispense.implicitRules
    Definition

    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.

    ShortA set of rules under which this content was created
    Comments

    Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

    Control0..1
    Typeuri
    Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    Summarytrue
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    4. MedicationDispense.modifierExtension
    Definition

    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's 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.

    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
    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 resource that contains them
    Summaryfalse
    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
    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())
    6. MedicationDispense.status
    Definition

    A code specifying the state of the set of dispense events.

    Shortpreparation | in-progress | cancelled | on-hold | completed | entered-in-error | stopped | declined | unknown
    Comments

    This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

    Control1..1
    BindingThe codes SHALL be taken from MedicationDispense Status Codeshttp://hl7.org/fhir/ValueSet/medicationdispense-status|4.0.1
    (required to http://hl7.org/fhir/ValueSet/medicationdispense-status|4.0.1)

    A coded concept specifying the state of the dispense event.

    Typecode
    Is Modifiertrue because This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    Summarytrue
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    8. MedicationDispense.medication[x]
    Definition

    Identifies the medication being administered. This is either a link to a resource representing the details of the medication or a simple attribute carrying a code that identifies the medication from a known list of medications.

    ShortWhat medication was supplied
    Comments

    If only a code is specified, then it needs to be a code for a specific product. If more information is required, then the use of the medication resource is recommended. For example, if you require form or lot number, then you must reference the Medication resource.

    Control1..1
    BindingFor example codes, see SNOMEDCTMedicationCodeshttp://hl7.org/fhir/ValueSet/medication-codes
    (example to http://hl7.org/fhir/ValueSet/medication-codes)

    A coded concept identifying which substance or product can be dispensed.

    TypeChoice of: CodeableConcept, Reference(Medication)
    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
    Is Modifierfalse
    Summarytrue
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    SlicingThis element introduces a set of slices on MedicationDispense.medication[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • type @ $this
    • 10. MedicationDispense.medication[x]:medicationCodeableConcept
      Slice NamemedicationCodeableConcept
      Definition

      Identifies the medication being administered. This is either a link to a resource representing the details of the medication or a simple attribute carrying a code that identifies the medication from a known list of medications.

      ShortWhat medication was supplied
      Comments

      If only a code is specified, then it needs to be a code for a specific product. If more information is required, then the use of the medication resource is recommended. For example, if you require form or lot number, then you must reference the Medication resource.

      Control01..1
      BindingFor example codes, see SNOMEDCTMedicationCodeshttp://hl7.org/fhir/ValueSet/medication-codes
      (example to http://hl7.org/fhir/ValueSet/medication-codes)

      A coded concept identifying which substance or product can be dispensed.

      TypeCodeableConcept, Reference(Medication)
      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
      Is Modifierfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      12. MedicationDispense.medication[x]:medicationCodeableConcept.coding
      Definition

      A reference to a code defined by a terminology system.

      ShortA reference to a code defined by a terminology systemCode defined by a terminology system
      Comments

      Codes may be defined very casually in enumerations or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.


      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

      Control0..*
      This element is affected by the following invariants: ele-1
      TypeCoding(Strict Coding)
      Is Modifierfalse
      Requirements

      Allows for alternative encodings within a code system, and translations to other code systems.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      14. MedicationDispense.medication[x]:medicationCodeableConcept.text
      Definition

      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

      ShortPlain text representation of the concept
      Comments

      Very often the text is the same as a displayName of one of the codings.

      Control10..1
      Typestring
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      16. MedicationDispense.subject
      Definition

      A link to a resource representing the person or the group to whom the medication will be given.

      ShortWho the dispense is for
      Comments

      SubstanceAdministration->subject->Patient.

      Control10..1
      TypeReference(Patient, Patient, Group)
      Is Modifierfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      18. MedicationDispense.context
      Definition

      The encounter or episode of care that establishes the context for this event.

      ShortEncounter / Episode associated with event
      Control10..1
      TypeReference(Encounter - Initiated By The Facility Providing the Service, Encounter, EpisodeOfCare)
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      20. MedicationDispense.quantity
      Definition

      The amount of medication that has been dispensed. Includes unit of measure.

      ShortAmount dispensed
      Control10..1
      TypeQuantity(SimpleQuantity)
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      22. MedicationDispense.quantity.value
      Definition

      The value of the measured amount. The value includes an implicit precision in the presentation of the value.

      ShortNumerical value (with implicit precision)
      Comments

      The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

      Control10..1
      Typedecimal
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Precision is handled implicitly in almost all cases of measurement.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      24. MedicationDispense.quantity.comparator
      Definition

      Not allowed to be used in this context


      How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is "<" , then the real value is < stated value.

      Short< | <= | >= | > - how to understand the value
      Control0..01
      BindingThe codes SHALL be taken from QuantityComparatorhttp://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
      (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

      How the Quantity should be understood and represented.

      Typecode
      Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

      Meaning if MissingIf there is no comparator, then there is no modification of the value
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      26. MedicationDispense.quantity.unit
      Definition

      A human-readable form of the unit.

      ShortUnit representation
      Control10..1
      Typestring
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      28. MedicationDispense.quantity.system
      Definition

      The identification of the system that provides the coded form of the unit.

      ShortSystem that defines coded unit form
      Control10..1
      This element is affected by the following invariants: qty-3
      Typeuri
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need to know the system that defines the coded form of the unit.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      30. MedicationDispense.quantity.code
      Definition

      A computer processable form of the unit in some unit representation system.

      ShortCoded form of the unit
      Comments

      The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

      Control10..1
      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      32. MedicationDispense.daysSupply
      Definition

      The amount of medication expressed as a timing amount.

      ShortAmount of medication expressed as a timing amount
      Control10..1
      TypeQuantity(SimpleQuantity)
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      34. MedicationDispense.daysSupply.value
      Definition

      The value of the measured amount. The value includes an implicit precision in the presentation of the value.

      ShortNumerical value (with implicit precision)
      Comments

      The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

      Control10..1
      Typedecimal
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Precision is handled implicitly in almost all cases of measurement.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      36. MedicationDispense.daysSupply.comparator
      Definition

      Not allowed to be used in this context


      How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is "<" , then the real value is < stated value.

      Short< | <= | >= | > - how to understand the value
      Control0..01
      BindingThe codes SHALL be taken from QuantityComparatorhttp://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
      (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

      How the Quantity should be understood and represented.

      Typecode
      Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

      Meaning if MissingIf there is no comparator, then there is no modification of the value
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      38. MedicationDispense.daysSupply.unit
      Definition

      A human-readable form of the unit.

      ShortUnit representation
      Control10..1
      Typestring
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      40. MedicationDispense.daysSupply.system
      Definition

      The identification of the system that provides the coded form of the unit.

      ShortSystem that defines coded unit form
      Control10..1
      This element is affected by the following invariants: qty-3
      Typeuri
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need to know the system that defines the coded form of the unit.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      42. MedicationDispense.daysSupply.code
      Definition

      A computer processable form of the unit in some unit representation system.

      ShortCoded form of the unit
      Comments

      The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

      Control10..1
      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      44. MedicationDispense.whenHandedOver
      Definition

      reason(s) why this should be supported.


      The time the dispensed product was provided to the patient or their representative.

      ShortWhen product was given out
      Control0..1
      TypedateTime
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))

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

      0. MedicationDispense
      Definition

      Indicates that a medication product is to be or has been dispensed for a named person/patient. This includes a description of the medication product (supply) provided and the instructions for administering the medication. The medication dispense is the result of a pharmacy system responding to a medication order.

      ShortDispensing a medication to a named patient
      Control0..*
      Is Modifierfalse
      Summaryfalse
      Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
      dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
      dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
      dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
      dom-6: A resource should have narrative for robust management (text.`div`.exists())
      mdd-1: whenHandedOver cannot be before whenPrepared (whenHandedOver.empty() or whenPrepared.empty() or whenHandedOver >= whenPrepared)
      2. MedicationDispense.id
      Definition

      The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.

      ShortLogical id of this artifact
      Comments

      The only time that a resource does not have an id is when it is being submitted to the server using a create operation.

      Control0..1
      Typeid
      Is Modifierfalse
      Summarytrue
      4. MedicationDispense.meta
      Definition

      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.

      ShortMetadata about the resource
      Control0..1
      TypeMeta
      Is Modifierfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      6. MedicationDispense.implicitRules
      Definition

      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.

      ShortA set of rules under which this content was created
      Comments

      Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

      Control0..1
      Typeuri
      Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      8. MedicationDispense.language
      Definition

      The base language in which the resource is written.

      ShortLanguage of the resource content
      Comments

      Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).

      Control0..1
      BindingThe codes SHOULD be taken from CommonLanguages
      (preferred to http://hl7.org/fhir/ValueSet/languages)

      A human language.

      Additional BindingsPurpose
      AllLanguagesMax Binding
      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      10. MedicationDispense.text
      Definition

      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.

      ShortText summary of the resource, for human interpretation
      Comments

      Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later.

      Control0..1
      TypeNarrative
      Is Modifierfalse
      Summaryfalse
      Alternate Namesnarrative, html, xhtml, display
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      12. MedicationDispense.contained
      Definition

      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.

      ShortContained, inline Resources
      Comments

      This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.

      Control0..*
      TypeResource
      Is Modifierfalse
      Summaryfalse
      Alternate Namesinline resources, anonymous resources, contained resources
      14. MedicationDispense.extension
      Definition

      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.

      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())
      16. MedicationDispense.modifierExtension
      Definition

      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's 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.

      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
      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 resource that contains them
      Summaryfalse
      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
      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())
      18. MedicationDispense.identifier
      Definition

      Identifiers associated with this Medication Dispense that are defined by business processes and/or used to refer to it when a direct URL reference to the resource itself is not appropriate. They are business identifiers assigned to this resource by the performer or other systems and remain constant as the resource is updated and propagates from server to server.

      ShortExternal identifier
      Comments

      This is a business identifier, not a resource identifier.

      NoteThis is a business identifier, not a resource identifier (see discussion)
      Control0..*
      TypeIdentifier
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      20. MedicationDispense.partOf
      Definition

      The procedure that trigger the dispense.

      ShortEvent that dispense is part of
      Control0..*
      TypeReference(Procedure)
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      22. MedicationDispense.status
      Definition

      A code specifying the state of the set of dispense events.

      Shortpreparation | in-progress | cancelled | on-hold | completed | entered-in-error | stopped | declined | unknown
      Comments

      This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

      Control1..1
      BindingThe codes SHALL be taken from MedicationDispense Status Codes
      (required to http://hl7.org/fhir/ValueSet/medicationdispense-status|4.0.1)

      A coded concept specifying the state of the dispense event.

      Typecode
      Is Modifiertrue because This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      24. MedicationDispense.statusReason[x]
      Definition

      Indicates the reason why a dispense was not performed.

      ShortWhy a dispense was not performed
      Control0..1
      BindingFor example codes, see MedicationDispense Status Reason Codes
      (example to http://hl7.org/fhir/ValueSet/medicationdispense-status-reason)

      A code describing why a dispense was not performed.

      TypeChoice of: CodeableConcept, Reference(DetectedIssue)
      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      26. MedicationDispense.category
      Definition

      Indicates the type of medication dispense (for example, where the medication is expected to be consumed or administered (i.e. inpatient or outpatient)).

      ShortType of medication dispense
      Comments

      The category can be used to include where the medication is expected to be consumed or other types of dispenses. Invariants can be used to bind to different value sets when profiling to bind.

      Control0..1
      BindingThe codes SHOULD be taken from MedicationDispense Category Codes
      (preferred to http://hl7.org/fhir/ValueSet/medicationdispense-category)

      A code describing where the dispensed medication is expected to be consumed or administered.

      TypeCodeableConcept
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      28. MedicationDispense.medication[x]
      Definition

      Identifies the medication being administered. This is either a link to a resource representing the details of the medication or a simple attribute carrying a code that identifies the medication from a known list of medications.

      ShortWhat medication was supplied
      Comments

      If only a code is specified, then it needs to be a code for a specific product. If more information is required, then the use of the medication resource is recommended. For example, if you require form or lot number, then you must reference the Medication resource.

      Control1..1
      BindingFor example codes, see SNOMEDCTMedicationCodes
      (example to http://hl7.org/fhir/ValueSet/medication-codes)

      A coded concept identifying which substance or product can be dispensed.

      TypeChoice of: CodeableConcept, Reference(Medication)
      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
      Is Modifierfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      SlicingThis element introduces a set of slices on MedicationDispense.medication[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • type @ $this
      • 30. MedicationDispense.medication[x]:medicationCodeableConcept
        Slice NamemedicationCodeableConcept
        Definition

        Identifies the medication being administered. This is either a link to a resource representing the details of the medication or a simple attribute carrying a code that identifies the medication from a known list of medications.

        ShortWhat medication was supplied
        Comments

        If only a code is specified, then it needs to be a code for a specific product. If more information is required, then the use of the medication resource is recommended. For example, if you require form or lot number, then you must reference the Medication resource.

        Control0..1
        BindingFor example codes, see SNOMEDCTMedicationCodes
        (example to http://hl7.org/fhir/ValueSet/medication-codes)

        A coded concept identifying which substance or product can be dispensed.

        TypeCodeableConcept
        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
        Is Modifierfalse
        Summarytrue
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        32. MedicationDispense.medication[x]:medicationCodeableConcept.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
        Typestring
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        34. MedicationDispense.medication[x]:medicationCodeableConcept.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 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.

        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 MedicationDispense.medication[x].extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
        • value @ url
        • 36. MedicationDispense.medication[x]:medicationCodeableConcept.coding
          Definition

          A reference to a code defined by a terminology system.

          ShortA reference to a code defined by a terminology system
          Comments

          Codes may be defined very casually in enumerations or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.

          Control0..*
          This element is affected by the following invariants: ele-1
          TypeCoding(Strict Coding)
          Is Modifierfalse
          Requirements

          Allows for alternative encodings within a code system, and translations to other code systems.

          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          38. MedicationDispense.medication[x]:medicationCodeableConcept.text
          Definition

          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

          ShortPlain text representation of the concept
          Comments

          Very often the text is the same as a displayName of one of the codings.

          Control1..1
          Typestring
          Is Modifierfalse
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Requirements

          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          40. MedicationDispense.subject
          Definition

          A link to a resource representing the person or the group to whom the medication will be given.

          ShortWho the dispense is for
          Comments

          SubstanceAdministration->subject->Patient.

          Control1..1
          TypeReference(Patient)
          Is Modifierfalse
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          42. MedicationDispense.context
          Definition

          The encounter or episode of care that establishes the context for this event.

          ShortEncounter / Episode associated with event
          Control1..1
          TypeReference(Encounter - Initiated By The Facility Providing the Service)
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          44. MedicationDispense.supportingInformation
          Definition

          Additional information that supports the medication being dispensed.

          ShortInformation that supports the dispensing of the medication
          Control0..*
          TypeReference(Resource)
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          46. MedicationDispense.performer
          Definition

          Indicates who or what performed the event.

          ShortWho performed event
          Control0..*
          TypeBackboneElement
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          48. MedicationDispense.performer.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
          Typestring
          Is Modifierfalse
          XML FormatIn the XML format, this property is represented as an attribute.
          Summaryfalse
          50. MedicationDispense.performer.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 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.

          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())
          52. MedicationDispense.performer.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 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.

          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())
          54. MedicationDispense.performer.function
          Definition

          Distinguishes the type of performer in the dispense. For example, date enterer, packager, final checker.

          ShortWho performed the dispense and what they did
          Control0..1
          BindingFor example codes, see MedicationDispense Performer Function Codes
          (example to http://hl7.org/fhir/ValueSet/medicationdispense-performer-function)

          A code describing the role an individual played in dispensing a medication.

          TypeCodeableConcept
          Is Modifierfalse
          Summaryfalse
          Requirements

          Allows disambiguation of the types of involvement of different performers.

          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          56. MedicationDispense.performer.actor
          Definition

          The device, practitioner, etc. who performed the action. It should be assumed that the actor is the dispenser of the medication.

          ShortIndividual who was performing
          Control1..1
          TypeReference(Practitioner, PractitionerRole, Organization, Patient, Device, RelatedPerson)
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          58. MedicationDispense.location
          Definition

          The principal physical location where the dispense was performed.

          ShortWhere the dispense occurred
          Control0..1
          TypeReference(Location)
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          60. MedicationDispense.authorizingPrescription
          Definition

          Indicates the medication order that is being dispensed against.

          ShortMedication order that authorizes the dispense
          Comments

          Maps to basedOn in Event logical model.

          Control0..*
          TypeReference(MedicationRequest)
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          62. MedicationDispense.type
          Definition

          Indicates the type of dispensing event that is performed. For example, Trial Fill, Completion of Trial, Partial Fill, Emergency Fill, Samples, etc.

          ShortTrial fill, partial fill, emergency fill, etc.
          Control0..1
          BindingFor example codes, see ActPharmacySupplyType
          (example to http://terminology.hl7.org/ValueSet/v3-ActPharmacySupplyType)

          Indicates the type of dispensing event that is performed. For example, Trial Fill, Completion of Trial, Partial Fill, Emergency Fill, Samples, etc.

          TypeCodeableConcept
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          64. MedicationDispense.quantity
          Definition

          The amount of medication that has been dispensed. Includes unit of measure.

          ShortAmount dispensed
          Control1..1
          TypeQuantity(SimpleQuantity)
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          66. MedicationDispense.quantity.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
          Typestring
          Is Modifierfalse
          XML FormatIn the XML format, this property is represented as an attribute.
          Summaryfalse
          68. MedicationDispense.quantity.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 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.

          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 MedicationDispense.quantity.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
          • value @ url
          • 70. MedicationDispense.quantity.value
            Definition

            The value of the measured amount. The value includes an implicit precision in the presentation of the value.

            ShortNumerical value (with implicit precision)
            Comments

            The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

            Control1..1
            Typedecimal
            Is Modifierfalse
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summarytrue
            Requirements

            Precision is handled implicitly in almost all cases of measurement.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            72. MedicationDispense.quantity.comparator
            Definition

            Not allowed to be used in this context

            Short< | <= | >= | > - how to understand the value
            Control0..0
            BindingThe codes SHALL be taken from QuantityComparator
            (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

            How the Quantity should be understood and represented.

            Typecode
            Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summarytrue
            Requirements

            Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

            Meaning if MissingIf there is no comparator, then there is no modification of the value
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            74. MedicationDispense.quantity.unit
            Definition

            A human-readable form of the unit.

            ShortUnit representation
            Control1..1
            Typestring
            Is Modifierfalse
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summarytrue
            Requirements

            There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            76. MedicationDispense.quantity.system
            Definition

            The identification of the system that provides the coded form of the unit.

            ShortSystem that defines coded unit form
            Control1..1
            This element is affected by the following invariants: qty-3
            Typeuri
            Is Modifierfalse
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summarytrue
            Requirements

            Need to know the system that defines the coded form of the unit.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            78. MedicationDispense.quantity.code
            Definition

            A computer processable form of the unit in some unit representation system.

            ShortCoded form of the unit
            Comments

            The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

            Control1..1
            Typecode
            Is Modifierfalse
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summarytrue
            Requirements

            Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            80. MedicationDispense.daysSupply
            Definition

            The amount of medication expressed as a timing amount.

            ShortAmount of medication expressed as a timing amount
            Control1..1
            TypeQuantity(SimpleQuantity)
            Is Modifierfalse
            Summaryfalse
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            82. MedicationDispense.daysSupply.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
            Typestring
            Is Modifierfalse
            XML FormatIn the XML format, this property is represented as an attribute.
            Summaryfalse
            84. MedicationDispense.daysSupply.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 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.

            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 MedicationDispense.daysSupply.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
            • value @ url
            • 86. MedicationDispense.daysSupply.value
              Definition

              The value of the measured amount. The value includes an implicit precision in the presentation of the value.

              ShortNumerical value (with implicit precision)
              Comments

              The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).

              Control1..1
              Typedecimal
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              Precision is handled implicitly in almost all cases of measurement.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              88. MedicationDispense.daysSupply.comparator
              Definition

              Not allowed to be used in this context

              Short< | <= | >= | > - how to understand the value
              Control0..0
              BindingThe codes SHALL be taken from QuantityComparator
              (required to http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1)

              How the Quantity should be understood and represented.

              Typecode
              Is Modifiertrue because This is labeled as "Is Modifier" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.

              Meaning if MissingIf there is no comparator, then there is no modification of the value
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              90. MedicationDispense.daysSupply.unit
              Definition

              A human-readable form of the unit.

              ShortUnit representation
              Control1..1
              Typestring
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              92. MedicationDispense.daysSupply.system
              Definition

              The identification of the system that provides the coded form of the unit.

              ShortSystem that defines coded unit form
              Control1..1
              This element is affected by the following invariants: qty-3
              Typeuri
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              Need to know the system that defines the coded form of the unit.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              94. MedicationDispense.daysSupply.code
              Definition

              A computer processable form of the unit in some unit representation system.

              ShortCoded form of the unit
              Comments

              The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.

              Control1..1
              Typecode
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              96. MedicationDispense.whenPrepared
              Definition

              The time when the dispensed product was packaged and reviewed.

              ShortWhen product was packaged and reviewed
              Control0..1
              TypedateTime
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              98. MedicationDispense.whenHandedOver
              Definition

              reason(s) why this should be supported.

              ShortWhen product was given out
              Control0..1
              TypedateTime
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              100. MedicationDispense.destination
              Definition

              Identification of the facility/location where the medication was shipped to, as part of the dispense event.

              ShortWhere the medication was sent
              Control0..1
              TypeReference(Location)
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              102. MedicationDispense.receiver
              Definition

              Identifies the person who picked up the medication. This will usually be a patient or their caregiver, but some cases exist where it can be a healthcare professional.

              ShortWho collected the medication
              Control0..*
              TypeReference(Patient, Practitioner)
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              104. MedicationDispense.note
              Definition

              Extra information about the dispense that could not be conveyed in the other attributes.

              ShortInformation about the dispense
              Control0..*
              TypeAnnotation
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              106. MedicationDispense.dosageInstruction
              Definition

              Indicates how the medication is to be used by the patient.

              ShortHow the medication is to be used by the patient or administered by the caregiver
              Comments

              When the dose or rate is intended to change over the entire administration period (e.g. Tapering dose prescriptions), multiple instances of dosage instructions will need to be supplied to convey the different doses/rates. The pharmacist reviews the medication order prior to dispense and updates the dosageInstruction based on the actual product being dispensed.

              Control0..*
              TypeDosage
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              108. MedicationDispense.substitution
              Definition

              Indicates whether or not substitution was made as part of the dispense. In some cases, substitution will be expected but does not happen, in other cases substitution is not expected but does happen. This block explains what substitution did or did not happen and why. If nothing is specified, substitution was not done.

              ShortWhether a substitution was performed on the dispense
              Control0..1
              TypeBackboneElement
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              110. MedicationDispense.substitution.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
              Typestring
              Is Modifierfalse
              XML FormatIn the XML format, this property is represented as an attribute.
              Summaryfalse
              112. MedicationDispense.substitution.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 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.

              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())
              114. MedicationDispense.substitution.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 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.

              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())
              116. MedicationDispense.substitution.wasSubstituted
              Definition

              True if the dispenser dispensed a different drug or product from what was prescribed.

              ShortWhether a substitution was or was not performed on the dispense
              Control1..1
              Typeboolean
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              118. MedicationDispense.substitution.type
              Definition

              A code signifying whether a different drug was dispensed from what was prescribed.

              ShortCode signifying whether a different drug was dispensed from what was prescribed
              Control0..1
              BindingFor example codes, see ActSubstanceAdminSubstitutionCode
              (example to http://terminology.hl7.org/ValueSet/v3-ActSubstanceAdminSubstitutionCode)

              A coded concept describing whether a different medicinal product may be dispensed other than the product as specified exactly in the prescription.

              TypeCodeableConcept
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              120. MedicationDispense.substitution.reason
              Definition

              Indicates the reason for the substitution (or lack of substitution) from what was prescribed.

              ShortWhy was substitution made
              Control0..*
              BindingFor example codes, see SubstanceAdminSubstitutionReason
              (example to http://terminology.hl7.org/ValueSet/v3-SubstanceAdminSubstitutionReason)

              A coded concept describing the reason that a different medication should (or should not) be substituted from what was prescribed.

              TypeCodeableConcept
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              122. MedicationDispense.substitution.responsibleParty
              Definition

              The person or organization that has primary responsibility for the substitution.

              ShortWho is responsible for the substitution
              Control0..*
              TypeReference(Practitioner, PractitionerRole)
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              124. MedicationDispense.detectedIssue
              Definition

              Indicates an actual or potential clinical issue with or between one or more active or proposed clinical actions for a patient; e.g. drug-drug interaction, duplicate therapy, dosage alert etc.

              ShortClinical issue with action
              Comments

              This element can include a detected issue that has been identified either by a decision support system or by a clinician and may include information on the steps that were taken to address the issue.

              Control0..*
              TypeReference(DetectedIssue)
              Is Modifierfalse
              Summaryfalse
              Alternate NamesContraindication, Drug Utilization Review (DUR), Alert
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              126. MedicationDispense.eventHistory
              Definition

              A summary of the events of interest that have occurred, such as when the dispense was verified.

              ShortA list of relevant lifecycle events
              Comments

              This might not include provenances for all versions of the request – only those deemed “relevant” or important. This SHALL NOT include the Provenance associated with this current version of the resource. (If that provenance is deemed to be a “relevant” change, it will need to be added as part of a later update. Until then, it can be queried directly as the Provenance that points to this version using _revinclude All Provenances should have some historical version of this Request as their subject.).

              Control0..*
              TypeReference(Provenance)
              Is Modifierfalse
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))