DSTU2

This page is part of the FHIR Specification (v1.0.2: DSTU 2). 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

5.16 Resource Substance - Content

Orders and Observations

Work Group

Maturity Level: 1

Compartments: Not linked to any defined compartments

A homogeneous material with a definite composition.

5.16.1 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.

5.16.2 Boundaries and Relationships

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

This resource is referenced by CarePlan, Contract, Group, Medication, Order, Procedure, Specimen, SupplyDelivery and SupplyRequest

Structure

Name	Flags	Card.	Type	Description & Constraints
Substance			DomainResource	A homogeneous material with a definite composition
identifier	Σ	0..*	Identifier	Unique identifier
category	Σ	0..*	CodeableConcept	What class/type of substance this is Substance Category Codes (Extensible)
code	Σ	1..1	CodeableConcept	What substance this is Substance Code (Example)
description	Σ	0..1	string	Textual description of the substance, comments
instance	Σ	0..*	BackboneElement	If this describes a specific package/container of the substance
identifier	Σ	0..1	Identifier	Identifier of the package/container
expiry	Σ	0..1	dateTime	When no longer valid to use
quantity	Σ	0..1	SimpleQuantity	Amount of substance in the package
ingredient	Σ	0..*	BackboneElement	Composition information about the substance
quantity	Σ	0..1	Ratio	Optional amount (concentration)
substance	Σ	1..1	Reference(Substance)	A component of the substance
Documentation for this format

UML Diagram

XML Template

<Substance xmlns="http://hl7.org/fhir"> 
 <!-- from Resource: id, meta, implicitRules, and language -->
 <!-- from DomainResource: text, contained, extension, and modifierExtension -->
 <identifier><!-- 0..* Identifier Unique identifier --></identifier>
 <category><!-- 0..* CodeableConcept What class/type of substance this is --></category>
 <code><!-- 1..1 CodeableConcept What substance this is --></code>
 <description value="[string]"/><!-- 0..1 Textual description of the substance, comments -->
 <instance>  <!-- 0..* 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(SimpleQuantity) 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 Reference(Substance) A component of the substance --></substance>
 </ingredient>
</Substance>

JSON Template

{
  "resourceType" : "Substance",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "identifier" : [{ Identifier }], // Unique identifier
  "category" : [{ CodeableConcept }], // What class/type of substance this is
  "code" : { CodeableConcept }, // R!  What substance this is
  "description" : "<string>", // Textual description of the substance, comments
  "instance" : [{ // If this describes a specific package/container of the substance
    "identifier" : { Identifier }, // Identifier of the package/container
    "expiry" : "<dateTime>", // When no longer valid to use
    "quantity" : { Quantity(SimpleQuantity) } // Amount of substance in the package
  }],
  "ingredient" : [{ // Composition information about the substance
    "quantity" : { Ratio }, // Optional amount (concentration)
    "substance" : { Reference(Substance) } // R!  A component of the substance
  }]
}

Structure

Name	Flags	Card.	Type	Description & Constraints
Substance			DomainResource	A homogeneous material with a definite composition
identifier	Σ	0..*	Identifier	Unique identifier
category	Σ	0..*	CodeableConcept	What class/type of substance this is Substance Category Codes (Extensible)
code	Σ	1..1	CodeableConcept	What substance this is Substance Code (Example)
description	Σ	0..1	string	Textual description of the substance, comments
instance	Σ	0..*	BackboneElement	If this describes a specific package/container of the substance
identifier	Σ	0..1	Identifier	Identifier of the package/container
expiry	Σ	0..1	dateTime	When no longer valid to use
quantity	Σ	0..1	SimpleQuantity	Amount of substance in the package
ingredient	Σ	0..*	BackboneElement	Composition information about the substance
quantity	Σ	0..1	Ratio	Optional amount (concentration)
substance	Σ	1..1	Reference(Substance)	A component of the substance
Documentation for this format

UML Diagram

XML Template

<Substance xmlns="http://hl7.org/fhir"> 
 <!-- from Resource: id, meta, implicitRules, and language -->
 <!-- from DomainResource: text, contained, extension, and modifierExtension -->
 <identifier><!-- 0..* Identifier Unique identifier --></identifier>
 <category><!-- 0..* CodeableConcept What class/type of substance this is --></category>
 <code><!-- 1..1 CodeableConcept What substance this is --></code>
 <description value="[string]"/><!-- 0..1 Textual description of the substance, comments -->
 <instance>  <!-- 0..* 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(SimpleQuantity) 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 Reference(Substance) A component of the substance --></substance>
 </ingredient>
</Substance>

JSON Template

{
  "resourceType" : "Substance",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "identifier" : [{ Identifier }], // Unique identifier
  "category" : [{ CodeableConcept }], // What class/type of substance this is
  "code" : { CodeableConcept }, // R!  What substance this is
  "description" : "<string>", // Textual description of the substance, comments
  "instance" : [{ // If this describes a specific package/container of the substance
    "identifier" : { Identifier }, // Identifier of the package/container
    "expiry" : "<dateTime>", // When no longer valid to use
    "quantity" : { Quantity(SimpleQuantity) } // Amount of substance in the package
  }],
  "ingredient" : [{ // Composition information about the substance
    "quantity" : { Ratio }, // Optional amount (concentration)
    "substance" : { Reference(Substance) } // R!  A component of the substance
  }]
}

Alternate definitions: Schema/Schematron, Resource Profile (XML, JSON), Questionnaire

5.16.3.1 Terminology Bindings

Path	Definition	Type	Reference
Substance.category	Category or classification of substance	Extensible	Substance Category Codes
Substance.code	Substance codes	Example	Substance Code

Path

Definition

Type

Reference

Substance.category

Category or classification of substance

Extensible

Substance Category Codes

Substance.code

Substance codes

Example

Substance Code

5.16.4 Search Parameters

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

Name	Type	Description	Paths
category	token	The category of the substance	Substance.category
code	token	The code of the substance	Substance.code
container-identifier	token	Identifier of the package/container	Substance.instance.identifier
expiry	date	Expiry date of package or container of substance	Substance.instance.expiry
identifier	token	Unique identifier for the substance	Substance.identifier
quantity	quantity	Amount of substance in the package	Substance.instance.quantity
substance	reference	A component of the substance	Substance.ingredient.substance (Substance)