Order Catalog Implementation Guide
1.0.0 - STU 1

Order Catalog Implementation Guide, published by HL7 International / Orders and Observations. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-order-catalog/ and changes regularly. See the Directory of published versions

## Extension: CatalogReference Extension

Official URL: http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogReference | Version: 1.0.0
Standards status: Trial-use | Maturity Level: 2 | Computable Name: CatalogReference
Other Identifiers: OID:2.16.840.1.113883.4.642.40.55.42.1

This extension to PlanDefinition, MedicationKnowledge and DeviceDefinition conveys the reference to a catalog containing the extended resource

Context of Use

This extension may be used on the following element(s)

- Element ID: `PlanDefinition`
- Element ID: `MedicationKnowledge`
- Element ID: `DeviceDefinition`

Usage info

Usages:

- Use this Extension: Device Model, item in a catalog of drugs and Laboratory Service Definition
- Examples for this Extension: Bundle/example-lab-test-creation-transaction-request, Bundle/example-lab-test-creation-transaction-response, DeviceDefinition/example-devicemodel-breast-pump, DeviceDefinition/example-devicemodel-interbody-fusion-system... Show 15 more, DeviceDefinition/example-devicemodel-presthetics-accessories, CLARITHROMYCINE GENERIC-LAB 25 mg/ml, granules for oral suspension, BloodElectrolytePanel, UrineCreatinineClearancePanel, UrineCreatininePanel, CMVIgM, HSVIgMserum, HVS1IgMtiter, HVS2IgMtiter, PotassiumSerumMeasurement, RubellaIgM, TORCH, Toxoplasmagondii, VitaminDMeasurement and SerumCreatinineTest

You can also check for usages in the FHIR IG Statistics

### Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Reference to a catalog
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogReference"
value[x] |  | 0..1 | Reference(Catalog Header) | Reference to a catalog containing this item
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Reference to a catalog
id |  | 0..1 | id | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogReference"
value[x] |  | 0..1 | Reference(Catalog Header) | Reference to a catalog containing this item
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: This extension to PlanDefinition, MedicationKnowledge and DeviceDefinition conveys the reference to a catalog containing the extended resource

Maturity: 2

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Reference to a catalog
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogReference"
value[x] |  | 0..1 | Reference(Catalog Header) | Reference to a catalog containing this item
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Reference to a catalog
id |  | 0..1 | id | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogReference"
value[x] |  | 0..1 | Reference(Catalog Header) | Reference to a catalog containing this item
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: This extension to PlanDefinition, MedicationKnowledge and DeviceDefinition conveys the reference to a catalog containing the extended resource

Maturity: 2

Other representations of profile: CSV, Excel, Schematron

#### Constraints

Id | Grade | Path(s) | Description | Expression
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`