Da Vinci - Coverage Requirements Discovery
2.2.1 - STU 2.2 United States of America flag

This page is part of the Da Vinci Coverage Requirements Discovery (CRD) FHIR IG (v2.2.1: STU 2.2) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Data Type Profile: CDS Hooks Service Request Requested CRD Version Extension

Official URL: http://hl7.org/fhir/us/davinci-crd/StructureDefinition/CDSHookServiceRequestExtensionRequestCRDVersion Version: 2.2.1
Standards status: Trial-use Active as of 2026-03-27 Maturity Level: 4 Computable Name: CDSHookServiceRequestExtensionRequestCRDVersion
Other Identifiers: OID:2.16.840.1.113883.4.642.40.18.42.49

Allows indicating the desired CRD version when invoking CRD on a service that supports multiple versions

Usages:

  • This Primitive Type Profile is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. string 0..1 string CRD version requested by the client
JSON Property Name for Type: davinci-crd.requestedVersion

doco Documentation for this format

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())

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. string 0..1 string CRD version requested by the client
JSON Property Name for Type: davinci-crd.requestedVersion

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. string 0..1 string CRD version requested by the client
JSON Property Name for Type: davinci-crd.requestedVersion
... id 0..1 string xml:id (or equivalent in JSON)
... extension 0..* Extension Additional content defined by implementations
... value 0..1 string Primitive value for string
Max Length:1048576

doco Documentation for this format

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()

Summary

Maturity: 4

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. string 0..1 string CRD version requested by the client
JSON Property Name for Type: davinci-crd.requestedVersion

doco Documentation for this format

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())

Differential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. string 0..1 string CRD version requested by the client
JSON Property Name for Type: davinci-crd.requestedVersion

doco Documentation for this format

Snapshot ViewView

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. string 0..1 string CRD version requested by the client
JSON Property Name for Type: davinci-crd.requestedVersion
... id 0..1 string xml:id (or equivalent in JSON)
... extension 0..* Extension Additional content defined by implementations
... value 0..1 string Primitive value for string
Max Length:1048576

doco Documentation for this format

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()

Summary

Maturity: 4

 

Other representations of profile: CSV, Excel, Schematron