type: resourceresource: ConditionDefinition

ConditionDefinition

Scope and Usage

A condition definition defines a set of system properties for a particular condition.

It is important to understand the condition definition resource is not intended to be used to define the underlying biological or ontological basis for the condition; instead the focus is on how the condition is identified, managed, and treated.

Boundaries and Relationships

Conditions may have a matching condition definition, but need not do so
Condition definitions may identify observations and signs (including, but not limited to) lab tests that are indicative of the condition
Condition definitions often identify ongoing observations to prioritize when viewing the chart of patients with the conditions
Condition definitions may identify applicable care plans

Background and Context

One frequent criticism of information systems in healthcare is that they do not adapt well to changing context, particularly the context of what is specifically wrong. A typical institution will have 20-30,000 different kinds of observational data, but only a small portion of these are relevant to any particular condition. Information systems supporting clinical care provision are increasingly investigating the use of AI, but ConditionDefinition provides a simple way to help the system be more adaptive.

StructureDefinition

Elements (Simplified)

ConditionDefinition [0..*]: - A definition of a condition
ConditionDefinition.url [0..1]: uri Canonical identifier for this condition definition, represented as a URI (globally unique)
ConditionDefinition.identifier [0..*]: Identifier Additional identifier for the condition definition
ConditionDefinition.version [0..1]: string Business version of the condition definition
ConditionDefinition.versionAlgorithm[x] [0..1]: string, Coding extensible:version-algorithm How to compare versions
ConditionDefinition.name [0..1]: string Name for this condition definition (computer friendly)
ConditionDefinition.title [0..1]: string Name for this condition definition (human friendly)
ConditionDefinition.subtitle [0..1]: string Subordinate title of the event definition
ConditionDefinition.status [1..1]: code required:publication-status draft | active | retired | unknown
ConditionDefinition.experimental [0..1]: boolean For testing only - never for real usage
ConditionDefinition.date [0..1]: dateTime Date last changed
ConditionDefinition.publisher [0..1]: string Name of the publisher/steward (organization or individual)
ConditionDefinition.contact [0..*]: ContactDetail Contact details for the publisher
ConditionDefinition.description [0..1]: markdown Natural language description of the condition definition
ConditionDefinition.useContext [0..*]: UsageContext The context that the content is intended to support
ConditionDefinition.jurisdiction [0..*]: CodeableConcept extensible:jurisdiction Jurisdiction of the authority that maintains the condition definition (if applicable)
ConditionDefinition.code [1..1]: CodeableConcept example:condition-code Identification of the condition, problem or diagnosis
ConditionDefinition.severity [0..1]: CodeableConcept preferred:condition-severity Subjective severity of condition
ConditionDefinition.bodySite [0..1]: CodeableConcept example:body-site Anatomical location, if relevant
ConditionDefinition.stage [0..1]: CodeableConcept example:condition-stage Stage/grade, usually assessed formally
ConditionDefinition.hasSeverity [0..1]: boolean Whether Severity is appropriate
ConditionDefinition.hasBodySite [0..1]: boolean Whether bodySite is appropriate
ConditionDefinition.hasStage [0..1]: boolean Whether stage is appropriate
ConditionDefinition.definition [0..*]: uri Formal Definition for the condition
ConditionDefinition.observation [0..*]: canonical Observations particularly relevant to this condition
ConditionDefinition.medication [0..*]: BackboneElement Medications particularly relevant for this condition
ConditionDefinition.medication.category [0..1]: CodeableConcept example:medicationrequest-category Category that is relevant
ConditionDefinition.medication.code [0..1]: CodeableConcept example:medication-codes Code for relevant Medication
ConditionDefinition.precondition [0..*]: BackboneElement Observation that suggets this condition
ConditionDefinition.precondition.type [1..1]: code required:condition-precondition-type sensitive | specific
ConditionDefinition.precondition.code [1..1]: CodeableConcept example:observation-codes Code for relevant Observation
ConditionDefinition.precondition.value[x] [0..1]: CodeableConcept, Quantity Value of Observation
ConditionDefinition.team [0..*]: Reference(CareTeam) Appropriate team for this condition
ConditionDefinition.questionnaire [0..*]: BackboneElement Questionnaire for this condition
ConditionDefinition.questionnaire.purpose [1..1]: code required:condition-questionnaire-purpose preadmit | diff-diagnosis | outcome
ConditionDefinition.questionnaire.reference [1..1]: Reference(Questionnaire) Specific Questionnaire
ConditionDefinition.plan [0..*]: BackboneElement Plan that is appropriate
ConditionDefinition.plan.role [0..1]: CodeableConcept Use for the plan
ConditionDefinition.plan.reference [1..1]: Reference(PlanDefinition) The actual plan

Mappings

ConditionDefinition Mappings — 9 mapping entries

Resource Packs

list-ConditionDefinition-packs.xml

<?xml version="1.0" encoding="UTF-8"?>

<List xmlns="http://hl7.org/fhir" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://hl7.org/fhir ../../publish/List.xsd">
  <id value="ConditionDefinition-packs"/>
  <status value="current"/>
  <mode value="working"/>
</List>

Search Parameters

context — token — A use context assigned to the condition definition — (ConditionDefinition.useContext.value.ofType(CodeableConcept))
context-quantity — quantity — A quantity- or range-valued use context assigned to the condition definition — (ConditionDefinition.useContext.value.ofType(Quantity)) | (ConditionDefinition.useContext.value.ofType(Range))
context-type — token — A type of use context assigned to the condition definition — ConditionDefinition.useContext.code
context-type-quantity — composite — A use context type and quantity- or range-based value assigned to the condition definition — ConditionDefinition.useContext
context-type-value — composite — A use context type and value assigned to the condition definition — ConditionDefinition.useContext
date — date — The condition definition publication date — ConditionDefinition.date
description — string — The description of the condition definition — ConditionDefinition.description
identifier — token — External identifier for the condition definition — ConditionDefinition.identifier
jurisdiction — token — Jurisdiction of the authority that maintains the the condition definition — ConditionDefinition.jurisdiction
name — string — Computationally friendly name of the condition definition — ConditionDefinition.name
publisher — string — Name of the publisher of the condition definition — ConditionDefinition.publisher
status — token — The current status of the condition definition — ConditionDefinition.status
title — string — The human-friendly name of the condition definition — ConditionDefinition.title
url — uri — The uri that identifies the condition definition — ConditionDefinition.url
version — token — The business version of the condition definition — ConditionDefinition.version