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

<a id="author"></a>

## author
**Description:** Flag creator

**Type:** reference

**Expression:** Flag.author

**Path:** Flag.author

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Flag-author


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

## date
**Description:** Time period when flag is active

**Type:** date

**Expression:** Flag.period

**Path:** Flag.period

**Standards Status:** normative

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


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

## encounter
**Description:** Alert relevant during encounter

**Type:** reference

**Expression:** Flag.encounter

**Path:** Flag.encounter

**Standards Status:** normative

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


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

## identifier
**Description:** Business identifier

**Type:** token

**Expression:** Flag.identifier

**Path:** Flag.identifier

**Standards Status:** normative

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


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

## patient
**Description:** The identity of a subject to list flags for

**Type:** reference

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

**Path:** Flag.subject

**Standards Status:** normative

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


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

## status
**Description:** active | inactive | entered-in-error

**Type:** token

**Expression:** Flag.status

**Path:** Flag.status

**Standards Status:** normative

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


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

## subject
**Description:** The identity of a subject to list flags for

**Type:** reference

**Expression:** Flag.subject

**Path:** Flag.subject

**Standards Status:** normative

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


<a id="category"></a>

## category
**Description:** The category of the flag, such as clinical, administrative, etc.

**Type:** token

**Expression:** Flag.category

**Path:** Flag.category

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Flag-category