Da Vinci - Coverage Requirements Discovery
2.2.1 - STU 2.2

Da Vinci - Coverage Requirements Discovery, published by HL7 International / Financial Management. This guide is not an authorized publication; it is the continuous build for version 2.2.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-crd/ and changes regularly. See the Directory of published versions

## Data Type Profile: CDS Hooks Services Discovery CRD Version Extension - Detailed Descriptions

Page standards status: Trial-use | Maturity Level: 4

Definitions for the CDSHookServicesExtensionCRDVersion data type profile

- Key Elements Table
- Differential Table
- Snapshot Table

Guidance on how to interpret the contents of this table can be foundhere

0. string
Definition | Indicates a CRD version the service supports for the specified hook type A sequence of Unicode characters
Short | CRD version(s) supported by the hookPrimitive Type string
Comments | Note that FHIR strings SHALL NOT exceed 1MB in size
Control | 0..* This element is affected by the following invariants: crdver-1
Is Modifier | false
JSON Format | This type can appear in JSON with the property name`davinci-crd.version` (in elements using named extensions)
Summary | false
Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) crdver-1: Version must be the major.minor of the CRD spec (`%context.matches('^[1-9]\\d*\\.[1-9]\\d*$')`)

Guidance on how to interpret the contents of this table can be foundhere

0. string
Definition | Indicates a CRD version the service supports for the specified hook type
Short | CRD version(s) supported by the hook
Control | 0..* This element is affected by the following invariants: crdver-1
JSON Format | This type can appear in JSON with the property name`davinci-crd.version` (in elements using named extensions)
Invariants | crdver-1: Version must be the major.minor of the CRD spec (`%context.matches('^[1-9]\\d*\\.[1-9]\\d*$')`)

Guidance on how to interpret the contents of this table can be foundhere

0. string
Definition | Indicates a CRD version the service supports for the specified hook type
Short | CRD version(s) supported by the hook
Comments | Note that FHIR strings SHALL NOT exceed 1MB in size
Control | 0..* This element is affected by the following invariants: crdver-1
Is Modifier | false
JSON Format | This type can appear in JSON with the property name`davinci-crd.version` (in elements using named extensions)
Summary | false
Invariants | ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) crdver-1: Version must be the major.minor of the CRD spec (`%context.matches('^[1-9]\\d*\\.[1-9]\\d*$')`)
2. string.id
Definition | unique id for the element within a resource (for internal references)
Short | xml:id (or equivalent in JSON)
Control | 0..1
Type | string
Is Modifier | false
XML Format | In the XML format, this property is represented as an attribute.
Summary | false
4. string.extension
Definition | May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short | Additional content defined by implementations
Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control | 0..*
Type | Extension
Is Modifier | false
Summary | false
Alternate Names | extensions, user content
Invariants | ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
6. string.value
Definition | The actual value
Short | Primitive value for string
Control | 0..1
Type | string
Is Modifier | false
XML Format | In the XML format, this property is represented as an attribute.
Summary | false
Max Length: | 1048576