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StructureDefinition: ehealth-message

Introduction

An ehealth-message defines written communication and comes in four flavours depending on the “category” of the message:

• Message: For sending messages from Patients, CareTeams (Practitioners), and Devices to Patients or CareTeams. Messages may not be sent between Patients or between Practitioners. When sending a message to a CareTeam, it is possible to narrow the recipient to be of a certain role. This is done by setting the “restriction-category” extension to a specific role value. When sent (by setting status “completed”), a message may no longer be updated by the sender. A recipient may update the “received” time and the “administrative-status” (eg. “read”) on a message.
• Notification: For sending notification from Practitioners to Patients. These are usually text-based, and may have a temporal validity attached (see “period” extension) to indicate at which point a notification is no longer valid. When sent, a notification may no longer be updated by the sender.
• Advise: Advise is much like notifications. They may also have a validity period, but they can be seen as reminders caused by a planned event, eg. a measurement or online meeting which is to take place.
• Note: For personal notes (written by a Patient or Practitioner), which may be shared with a CareTeam. A personal note must be created with sender=recipient. In case a personal note wants to be shared with a CareTeam, the CareTeam must be referred by the recipientCareTeam extension, and the receiver deleted (both can take place in the same PATCH operation). A personal note may be updated by the sender, but not by the recipient.

An ehealth-message may refer related resources (eg. Device, CarePlan, Appointment etc) using the “topic” field, no matter which category it is. Different instances of ehealth-message may be logically organized into “threads” by assigning the same thread-id in the provided extension. Similarly, they may be organized in a group (eg. group messages) by assigning the same group-id in that extension. The message subject may be provided in the title extension, and an optional priority may be provided in the ehealth-priority extension.

Remarks about status and administrative-status

The ehealth-message profile contains two status fields:

• status: Makes it possible for the message sender to create a draft message by specifying status “preparation”, and to cancel the message by setting status “aborted”. When the message is ready to be sent, specify status “completed”. Then the platform will handle any necessary forwarding. As long as the status is “preparation”, the message may be updated as desired, but not after the status is set to “completed”.
• administrative-status (extension): Makes it possible for the message recipient to indicate the state of a message. A message may hold an administrative status that defines the last action the recipient took on the message in question. At first, the message has administrative-status “activate”. The recipient may mark the message as read by setting administrative-status “read”. If the recipient considers the message a sort of “task”, the message may also be updated with administrative-status “complete” when the task is done, or “reactivate” if the task was not complete anyway.

Search parameters

The following custom search parameters may be used when searching for ehealth-message instances:

• administrativeStatus: Specify the desired administrative status using system and code (eg. “http://ehealth.sundhed.dk/cs/administrative-status” and “read”)
• careTeamRecipient: Specify an absolute reference to the CareTeam which must be message recipient
• careTeamSender: Specify an absolute reference to the CareTeam which must be message sender
• communicationCategory: Specify the desired category using system and code (eg. “http://ehealth.sundhed.dk/message-category/” and “message”)
• period: Use a date-type search to filter messages that must conform to temporal constraints (eg. notifications that are only valid until a specific point in time)
• threadId: Specify the logical “thread id” used to correlate messages
• restrictionCategory: Specify the desired restriction category using system and code (eg. “http://ehealth.sundhed.dk/cs/restriction-category” and “measurement-monitoring”)

Scope and Usage

In the eHealth Infrastructure the ehealth-message resource is used in conjunction with the following resources:

• Patient
  • As sender or recipient of a message
• Practitioner
  • As sender/recipient of a message (only when category is “note”)
• Device
  • As sender of an ehealth-message (as a result of automatic processing/triage)
• CareTeam
  • As sender or recipient using the extensions senderCareTeam/recipientCareTeam, respectively

General rules

The following rules apply for the ehealth-message profile:

• If medium.code is eboks or nemsms, the recipient must be of type Patient
• Only one of sender or extension senderCareTeam may be filled in
• Only one of recipient or extension recipientCareTeam may be filled in
• Medium ‘nemsms’ may only be used if the Patient allows reception of NemSMS (has telecom with value ‘NemSMS’). In that case, a NemSMS message will be sent to the Patient.

Notifications

The following rules apply to ehealth-message resources with status ‘completed’, given the recipient is a Patient who allows reception of NemSMS (has telecom with value ‘NemSMS’):

• the payload of a ehealth-message resource with medium.code ‘nemsms’ is sent to the Patient as a NemSMS.
• a ehealth-message resource with medium.code not equal to ‘nemsms’ triggers a notification message to the Patient, sent as a NemSMS.

Update rules

An ehealth-message may not have its category changed, eg. from ‘note’ to ‘message’.

When status is “preparation”, message contents may be updated, but not after status has been set to “completed”.

An ehealth-message may be PATCH updated on paths complying with the regular expressions below.

Path	Description
/implicitRules.*	For category ‘note’ or status ‘preparation’
/category.*	For category ‘note’ or status ‘preparation’
/contained.*	For category ‘note’ or status ‘preparation’
/recipient.*	For category ‘note’ or status ‘preparation’
/definition.*	For category ‘note’ or status ‘preparation’
/basedOn.*	For category ‘note’ or status ‘preparation’
/partOf.*	For category ‘note’ or status ‘preparation’
/topic.*	For category ‘note’ or status ‘preparation’
/notDone.*	For category ‘note’ or status ‘preparation’
/notDoneReason.*	For category ‘note’ or status ‘preparation’
/context.*	For category ‘note’ or status ‘preparation’
/received.*	For all values of category
/reasonCode.*	For category ‘note’ or status ‘preparation’
/reasonReference.*	For category ‘note’ or status ‘preparation’
/payload.*	For category ‘note’ or status ‘preparation’
/note.*	For category ‘note’ or status ‘preparation’
/status.*	For category ‘note’ or status ‘preparation’
/extension.*	For category ‘note’ or status ‘preparation’

Formal Views of Profile Content

The official URL for this profile is:

http://ehealth.sundhed.dk/fhir/StructureDefinition/ehealth-message

This is the profile for general messaging in the eHealth platform. It covers four different message types: messages, notifications, advice, and notes. This is specified using the message category (value set "Message category"). When needed, message medium NemSMS may also be specified (value set "Message medium").

Message-related state, such as whether a message has been read etc, is handled through the use of the administrative-status extension.

This profile builds on Communication.

This profile was published on Tue Mar 31 08:26:16 UTC 2020 as a draft by ehealth.sundhed.dk.

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

 

Terminology Bindings

Path	Conformance	ValueSet
Communication.language	extensible	Common Languages Max Binding: All Languages
Communication.extension:restrictionCategory.value[x]:valueCodeableConcept	required	RestrictionCategory
Communication.extension:restrictionCategory.value[x]:valueCodeableConcept.coding	required	RestrictionCategory
Communication.extension:priority.value[x]:valueCode	required	Priority
Communication.status	required	EventStatus
Communication.notDoneReason	example	CommunicationNotDoneReason
Communication.category	example	CommunicationCategory
Communication.category:DkTmCategory	example	CommunicationCategory
Communication.category:DkTmCategory.coding	required	MessageCategory
Communication.category:DkTmCategory.coding.code	required	MessageCategory
Communication.medium	example	v3 Code System ParticipationMode
Communication.medium:DkTmMedium	example	MessageMedium
Communication.medium:DkTmMedium.coding.code	required	MessageMedium
Communication.reasonCode	example	SNOMED CT Clinical Findings
Communication.reasonCode.coding	required	eHealth Message Reason Code

Constraints

Id	Path	Details	Requirements
dom-2	Communication	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-1	Communication	If the resource is contained in another resource, it SHALL NOT contain any narrative : contained.text.empty()
dom-4	Communication	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-3	Communication	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource : contained.where(('#'+id in %resource.descendants().reference).not()).empty()
com-1	Communication	Not Done Reason can only be specified if NotDone is "true" : notDone or notDoneReason.exists().not()
nemsms-1	Communication	If communication resource is a NemSMS payload cannot exceed 160 : medium.coding.where(code = 'nemsms').exists() implies payload.contentString.length() <= 160
note-invariant	Communication	Category note invariant : category.coding.code = 'note' implies (sender.reference = recipient.reference) or (recipient.reference.exists().not() and extension.where(url = 'http://ehealth.sundhed.dk/fhir/StructureDefinition/ehealth-communication-recipientCareTeam').valueReference.exists())
notification-invariant	Communication	Category notification invariant : category.coding.code = 'notification' implies recipient.reference.contains('Patient/') and ( sender.reference.contains('Practitioner/') or extension.where(url = 'http://ehealth.sundhed.dk/fhir/StructureDefinition/ehealth-communication-senderCareTeam').valueReference.exists())
message-invariant	Communication	Category message invariant : category.coding.code = 'message' implies (recipient.reference.contains('Patient/') and ( sender.reference.contains('Device/') or extension.where(url = 'http://ehealth.sundhed.dk/fhir/StructureDefinition/ehealth-communication-senderCareTeam').valueReference.exists())) or (( extension.where(url = 'http://ehealth.sundhed.dk/fhir/StructureDefinition/ehealth-communication-recipientCareTeam').valueReference.exists()) and (sender.reference.contains('Patient/') or sender.reference.contains('Device/'))) or (extension.where(url = 'http://ehealth.sundhed.dk/fhir/StructureDefinition/ehealth-communication-recipientCareTeam').valueReference.exists() and extension.where(url = 'http://ehealth.sundhed.dk/fhir/StructureDefinition/ehealth-communication-senderCareTeam').valueReference.exists() )
ele-1	Communication.extension:recipientCareTeam	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:recipientCareTeam	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:senderCareTeam	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:senderCareTeam	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:restrictionCategory	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:restrictionCategory	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:threadId	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:threadId	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:period	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:period	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:administrativeStatus	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:administrativeStatus	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:title	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:title	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:priority	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:priority	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.extension:groupId	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())
ext-1	Communication.extension:groupId	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Communication.payload	All FHIR elements must have a @value or children : hasValue() | (children().count() > id.count())

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