> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CatalogEntry

> Catalog entries are wrappers that contextualize items included in a catalog.

## Properties

| Name                     | Required | Type                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Description                                                                           |
| ------------------------ | -------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------- |
| identifier               | No       | [Identifier](/medical-api/fhir/data-types/identifier)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Unique identifier of the catalog item                                                 |
| type                     | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | The type of item - medication, device, service, protocol or other                     |
| orderable                | Yes      | boolean                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Whether the entry represents an orderable item                                        |
| referencedItem           | Yes      | Reference\<[Medication](/medical-api/fhir/resources/medication) / [Device](/medical-api/fhir/resources/device) / [Organization](/medical-api/fhir/resources/organization) / [Practitioner](/medical-api/fhir/resources/practitioner) / [PractitionerRole](/medical-api/fhir/resources/practitionerrole) / [HealthcareService](/medical-api/fhir/resources/healthcareservice) / [ActivityDefinition](/medical-api/fhir/resources/activitydefinition) / [PlanDefinition](/medical-api/fhir/resources/plandefinition) / [SpecimenDefinition](/medical-api/fhir/resources/specimendefinition) / [ObservationDefinition](/medical-api/fhir/resources/observationdefinition) / [Binary](/medical-api/fhir/resources/binary)> | The item that is being defined                                                        |
| additionalIdentifier     | No       | [Identifier](/medical-api/fhir/data-types/identifier)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Any additional identifier(s) for the catalog item, in the same granularity or concept |
| classification           | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Classification (category or class) of the item entry                                  |
| status                   | No       | code                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | draft / active / retired / unknown                                                    |
| validityPeriod           | No       | [Period](/medical-api/fhir/data-types/period)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | The time period in which this catalog entry is expected to be active                  |
| validTo                  | No       | dateTime                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | The date until which this catalog entry is expected to be active                      |
| lastUpdated              | No       | dateTime                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | When was this catalog last updated                                                    |
| additionalCharacteristic | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Additional characteristics of the catalog entry                                       |
| additionalClassification | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Additional classification of the catalog entry                                        |
| relatedEntry             | No       | CatalogEntryRelatedEntry                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | An item that this catalog entry is related to                                         |
| - id                     | No       | string                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Unique id for inter-element referencing                                               |
| - extension              | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Additional content defined by implementations                                         |
| - modifierExtension      | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Extensions that cannot be ignored even if unrecognized                                |
| - relationtype           | Yes      | code                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | triggers / is-replaced-by                                                             |
| - item                   | Yes      | Reference\<[CatalogEntry](/medical-api/fhir/resources/catalogentry)>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | The reference to the related item                                                     |

## Search Parameters

None

## Inherited Properties

| Name              | Required | Type                                                   | Description                                            |
| ----------------- | -------- | ------------------------------------------------------ | ------------------------------------------------------ |
| id                | No       | string                                                 | Logical id of this artifact                            |
| meta              | No       | [Meta](/medical-api/fhir/data-types/meta)              | Metadata about the resource                            |
| implicitRules     | No       | uri                                                    | A set of rules under which this content was created    |
| language          | No       | code                                                   | Language of the resource content                       |
| text              | No       | [Narrative](/medical-api/fhir/data-types/narrative)    | Text summary of the resource, for human interpretation |
| contained         | No       | Resource\[]                                            | Contained, inline Resources                            |
| extension         | No       | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations          |
| modifierExtension | No       | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored                      |

To view the FHIR specification for this resource, see [CatalogEntry](https://www.hl7.org/fhir/StructureDefinition/CatalogEntry).