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

<a id="based-on"></a>

## based-on
**Description:** A request for this procedure

**Type:** reference

**Expression:** Procedure.basedOn

**Path:** Procedure.basedOn

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Procedure-based-on


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

## category
**Description:** Classification of the procedure

**Type:** token

**Expression:** Procedure.category

**Path:** Procedure.category

**Standards Status:** normative

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


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

## code
**Description:** A code to identify a  procedure

**Type:** token

**Expression:** Procedure.code

**Path:** Procedure.code

**Standards Status:** normative

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


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

## date
**Description:** When the procedure occurred or is occurring

**Type:** date

**Expression:** Procedure.occurrence.ofType(dateTime) | Procedure.occurrence.ofType(Period) | Procedure.occurrence.ofType(Timing)

**Path:** Procedure.occurrence[x]

**Standards Status:** normative

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


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

## encounter
**Description:** The Encounter during which this Procedure was created

**Type:** reference

**Expression:** Procedure.encounter

**Path:** Procedure.encounter

**Standards Status:** normative

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


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

## identifier
**Description:** A unique identifier for a procedure

**Type:** token

**Expression:** Procedure.identifier

**Path:** Procedure.identifier

**Standards Status:** normative

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


<a id="location"></a>

## location
**Description:** Where the procedure happened

**Type:** reference

**Expression:** Procedure.location

**Path:** Procedure.location

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Procedure-location


<a id="part-of"></a>

## part-of
**Description:** Part of referenced event

**Type:** reference

**Expression:** Procedure.partOf

**Path:** Procedure.partOf

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Procedure-part-of


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

## patient
**Description:** Search by subject - a patient

**Type:** reference

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

**Path:** Procedure.subject

**Standards Status:** normative

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


<a id="performer"></a>

## performer
**Description:** Who performed the procedure

**Type:** reference

**Expression:** Procedure.performer.actor

**Path:** Procedure.performer.actor

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Procedure-performer


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

## reason-code
**Description:** Reference to a concept (by class)

**Type:** token

**Expression:** Procedure.reason.concept

**Path:** Procedure.reason.concept

**Standards Status:** normative

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


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

## reason-reference
**Description:** Reference to a resource (by instance)

**Type:** reference

**Expression:** Procedure.reason.reference

**Path:** Procedure.reason.reference

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Procedure-reason-reference


<a id="report"></a>

## report
**Description:** Any report resulting from the procedure

**Type:** reference

**Expression:** Procedure.report

**Path:** Procedure.report

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Procedure-report


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

## status
**Description:** preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown

**Type:** token

**Expression:** Procedure.status

**Path:** Procedure.status

**Standards Status:** normative

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


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

## subject
**Description:** Search by subject

**Type:** reference

**Expression:** Procedure.subject

**Path:** Procedure.subject

**Standards Status:** normative

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