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

<a id="code"></a>

## code
**Description:** What the purpose of this list is

**Type:** token

**Expression:** List.code

**Path:** List.code

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-code


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

## date
**Description:** When the list was prepared

**Type:** date

**Expression:** List.date

**Path:** List.date

**Standards Status:** normative

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


<a id="empty-reason"></a>

## empty-reason
**Description:** Why list is empty

**Type:** token

**Expression:** List.emptyReason

**Path:** List.emptyReason

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-empty-reason


<a id="encounter"></a>

## encounter
**Description:** Context in which list created

**Type:** reference

**Expression:** List.encounter

**Path:** List.encounter

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-encounter


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

## identifier
**Description:** Business identifier

**Type:** token

**Expression:** List.identifier

**Path:** List.identifier

**Standards Status:** normative

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


<a id="item"></a>

## item
**Description:** Actual entry

**Type:** reference

**Expression:** List.entry.item

**Path:** List.entry.item

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-item


<a id="notes"></a>

## notes
**Description:** The annotation  - text content (as markdown)

**Type:** string

**Expression:** List.note.text

**Path:** List.note.text

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-notes


<a id="patient"></a>

## patient
**Description:** If all resources have the same subject

**Type:** reference

**Expression:** List.subject.where(resolve() is Patient)

**Path:** List.subject

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-patient


<a id="source"></a>

## source
**Description:** Who and/or what defined the list contents (aka Author)

**Type:** reference

**Expression:** List.source

**Path:** List.source

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-source


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

## status
**Description:** current | retired | entered-in-error

**Type:** token

**Expression:** List.status

**Path:** List.status

**Standards Status:** normative

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


<a id="subject"></a>

## subject
**Description:** If all resources have the same subject

**Type:** reference

**Expression:** List.subject

**Path:** List.subject

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/List-subject


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

## title
**Description:** Descriptive name for the list

**Type:** string

**Expression:** List.title

**Path:** List.title

**Standards Status:** normative

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