---
type: "search-params"
title: "EvidenceVariable Search Parameters"
resource: "EvidenceVariable"
---
# EvidenceVariable Search Parameters
## context
**Description:** A use context assigned to the evidence variable
**Type:** token
**Expression:** (EvidenceVariable.useContext.value.ofType(CodeableConcept))
**Path:** {{name}}.useContext.valueCodeableConcept
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-context
## context-quantity
**Description:** A quantity- or range-valued use context assigned to the evidence variable
**Type:** quantity
**Expression:** (EvidenceVariable.useContext.value.ofType(Quantity)) | (EvidenceVariable.useContext.value.ofType(Range))
**Path:** {{name}}.useContext.valueQuantity,{{name}}.useContext.valueRange
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-context-quantity
## context-type
**Description:** A type of use context assigned to the evidence variable
**Type:** token
**Expression:** EvidenceVariable.useContext.code
**Path:** {{name}}.useContext.code
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-context-type
## context-type-quantity
**Description:** A use context type and quantity- or range-based value assigned to the evidence variable
**Type:** composite
**Expression:** EvidenceVariable.useContext
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-context-type-quantity
## context-type-value
**Description:** A use context type and value assigned to the evidence variable
**Type:** composite
**Expression:** EvidenceVariable.useContext
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-context-type-value
## date
**Description:** The evidence variable publication date
**Type:** date
**Expression:** EvidenceVariable.date
**Path:** {{name}}.date
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-date
## description
**Description:** The description of the evidence variable
**Type:** string
**Expression:** EvidenceVariable.description
**Path:** {{name}}.description
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-description
## identifier
**Description:** External identifier for the evidence variable
**Type:** token
**Expression:** EvidenceVariable.identifier
**Path:** {{name}}.identifier
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-identifier
## name
**Description:** Computationally friendly name of the evidence variable
**Type:** string
**Expression:** EvidenceVariable.name
**Path:** {{name}}.name
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-name
## publisher
**Description:** Name of the publisher of the evidence variable
**Type:** string
**Expression:** EvidenceVariable.publisher
**Path:** {{name}}.publisher
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-publisher
## status
**Description:** The current status of the evidence variable
**Type:** token
**Expression:** EvidenceVariable.status
**Path:** {{name}}.status
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-status
## title
**Description:** The human-friendly name of the evidence variable
**Type:** string
**Expression:** EvidenceVariable.title
**Path:** {{name}}.title
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-title
## topic
**Description:** Topics associated with the EvidenceVariable
**Type:** token
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-topic
## url
**Description:** The uri that identifies the evidence variable
**Type:** uri
**Expression:** EvidenceVariable.url
**Path:** {{name}}.url
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-url
## version
**Description:** The business version of the evidence variable
**Type:** token
**Expression:** EvidenceVariable.version
**Path:** {{name}}.version
**Standards Status:** normative
**URL:** http://hl7.org/fhir/build/SearchParameter/EvidenceVariable-version
## experimental
**Description:** Whether the EvidenceVariable is experimental
**Type:** token
**Expression:** EvidenceVariable.experimental
**Path:** EvidenceVariable.experimental
**Standards Status:** normative