---
type: "search-params"
title: "Evidence Search Parameters"
resource: "Evidence"
---
# Evidence Search Parameters

<a id="context"></a>

## context
**Description:** A use context assigned to the evidence

**Type:** token

**Expression:** (Evidence.useContext.value.ofType(CodeableConcept))

**Path:** {{name}}.useContext.valueCodeableConcept

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-context


<a id="context-quantity"></a>

## context-quantity
**Description:** A quantity- or range-valued use context assigned to the evidence

**Type:** quantity

**Expression:** (Evidence.useContext.value.ofType(Quantity)) | (Evidence.useContext.value.ofType(Range))

**Path:** {{name}}.useContext.valueQuantity,{{name}}.useContext.valueRange

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-context-quantity


<a id="context-type"></a>

## context-type
**Description:** A type of use context assigned to the evidence

**Type:** token

**Expression:** Evidence.useContext.code

**Path:** {{name}}.useContext.code

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-context-type


<a id="context-type-quantity"></a>

## context-type-quantity
**Description:** A use context type and quantity- or range-based value assigned to the evidence

**Type:** composite

**Expression:** Evidence.useContext

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-context-type-quantity


<a id="context-type-value"></a>

## context-type-value
**Description:** A use context type and value assigned to the evidence

**Type:** composite

**Expression:** Evidence.useContext

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-context-type-value


<a id="date"></a>

## date
**Description:** The evidence publication date

**Type:** date

**Expression:** Evidence.date

**Path:** {{name}}.date

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-date


<a id="description"></a>

## description
**Description:** The description of the evidence

**Type:** string

**Expression:** Evidence.description

**Path:** {{name}}.description

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-description


<a id="identifier"></a>

## identifier
**Description:** External identifier for the evidence

**Type:** token

**Expression:** Evidence.identifier

**Path:** {{name}}.identifier

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-identifier


<a id="publisher"></a>

## publisher
**Description:** Name of the publisher of the evidence

**Type:** string

**Expression:** Evidence.publisher

**Path:** {{name}}.publisher

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-publisher


<a id="status"></a>

## status
**Description:** The current status of the evidence

**Type:** token

**Expression:** Evidence.status

**Path:** {{name}}.status

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-status


<a id="title"></a>

## title
**Description:** The human-friendly name of the evidence

**Type:** string

**Expression:** Evidence.title

**Path:** {{name}}.title

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-title


<a id="url"></a>

## url
**Description:** The uri that identifies the evidence

**Type:** uri

**Expression:** Evidence.url

**Path:** {{name}}.url

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-url


<a id="version"></a>

## version
**Description:** The business version of the evidence

**Type:** token

**Expression:** Evidence.version

**Path:** {{name}}.version

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Evidence-version


<a id="experimental"></a>

## experimental
**Description:** Whether the Evidence is experimental

**Type:** token

**Expression:** Evidence.experimental

**Path:** Evidence.experimental

**Standards Status:** normative