This page is part of the FHIR Specification (v0.0.82: DSTU 1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2

5.7 Resource Substance - Content

A homogeneous material with a definite composition.

5.7.1 Scope and Usage

This resource allows for a material to be represented. The resource can be used to represent either a kind of a substance - e.g. a formulation commonly used for treating patients, or it can be used to describe a particular package of a known substance (e.g. bottle, jar, packet).

The composition of the material can be specified in terms of a mix of other materials, including with precise amounts if required.

5.7.2 Boundaries and Relationships

A medication is a substance that is packaged and used for use as an administered medication. The medication resource uses the substance resource to represent the actual ingredients of a medication.

5.7.3 Resource Content

Substance (Resource)A code (or set of codes) that identify this substancetype : CodeableConcept 1..1 <<Type of the substanceSubstanceType>>A description of the substance - its appearance, handling requirements, and other usage notesdescription : string 0..1InstanceIdentifier associated with the package/container (usually a label affixed directly)identifier : Identifier 0..1When the substance is no longer valid to use. For some substances, a single arbitrary date is used for expiryexpiry : dateTime 0..1The amount of the substancequantity : Quantity 0..1IngredientThe amount of the ingredient in the substance - a concentration ratioquantity : Ratio 0..1Another substance that is a component of this substancesubstance : Resource(Substance) 1..1Substance may be used to describe a kind of substance, or a specific package/container of the substance: an instanceinstance0..1A substance can be composed of other substancesingredient0..*

This resource is referenced by AdverseReaction, AllergyIntolerance, CarePlan, Group, Medication, Specimen and Supply

<Substance xmlns="http://hl7.org/fhir"> doco
 <!-- from Resource: extension, modifierExtension, language, text, and contained -->
 <type><!-- 1..1 CodeableConcept What kind of substance this is --></type>
 <description value="[string]"/><!-- 0..1 Textual description of the substance, comments -->
 <instance>  <!-- 0..1 If this describes a specific package/container of the substance -->
  <identifier><!-- 0..1 Identifier Identifier of the package/container --></identifier>
  <expiry value="[dateTime]"/><!-- 0..1 When no longer valid to use -->
  <quantity><!-- 0..1 Quantity Amount of substance in the package --></quantity>
 </instance>
 <ingredient>  <!-- 0..* Composition information about the substance -->
  <quantity><!-- 0..1 Ratio Optional amount (concentration) --></quantity>
  <substance><!-- 1..1 Resource(Substance) A component of the substance --></substance>
 </ingredient>
</Substance>

Alternate definitions: Schema/Schematron, Resource Profile

5.7.3.1 Terminology Bindings

PathDefinitionTypeReference
Substance.type Type of the substanceExamplehttp://hl7.org/fhir/vs/substance-type

5.7.4 Search Parameters

Search parameters for this resource. The standard parameters also apply. See Searching for more information about searching in REST, messaging, and services.

NameTypeDescriptionPaths
_idtokenThe logical resource id associated with the resource (must be supported by all servers)
_languagetokenThe language of the resource
expirydateWhen no longer valid to useSubstance.instance.expiry
identifiertokenIdentifier of the package/containerSubstance.instance.identifier
quantitynumberAmount of substance in the packageSubstance.instance.quantity
substancereferenceA component of the substanceSubstance.ingredient.substance
(Substance)
typetokenThe type of the substanceSubstance.type
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