Substance Search Parameters
<a id="category"></a>
category
Description: The category of the substance
Type: token
Expression: Substance.category
Path: Substance.category
Standards Status: normative
URL: http://hl7.org/fhir/build/SearchParameter/Substance-category
<a id="code"></a>
code
Description: The code of the substance
Type: token
Expression: Substance.code.concept
Path: Substance.code.concept
Standards Status: normative
URL: http://hl7.org/fhir/build/SearchParameter/Substance-code
<a id="code-reference"></a>
code-reference
Description: A reference to the defining substance
Type: reference
Expression: Substance.code.reference
Path: Substance.code.reference
Standards Status: normative
URL: http://hl7.org/fhir/build/SearchParameter/Substance-code-reference
<a id="expiry"></a>
expiry
Description: Expiry date of package or container of substance
Type: date
Expression: Substance.expiry
Path: Substance.expiry
Standards Status: normative
URL: http://hl7.org/fhir/build/SearchParameter/Substance-expiry
<a id="identifier"></a>
identifier
Description: Unique identifier for the substance
Type: token
Expression: Substance.identifier
Path: Substance.identifier
Standards Status: normative
URL: http://hl7.org/fhir/build/SearchParameter/Substance-identifier
<a id="quantity"></a>
quantity
Description: Amount of substance in the package
Type: quantity
Expression: Substance.quantity
Path: Substance.quantity
Standards Status: normative
URL: http://hl7.org/fhir/build/SearchParameter/Substance-quantity
<a id="status"></a>
status
Description: active | inactive | entered-in-error
Type: token
Expression: Substance.status
Path: Substance.status
Standards Status: normative
URL: http://hl7.org/fhir/build/SearchParameter/Substance-status