Da Vinci Risk Adjustment Implementation Guide
2.1.0 - STU 2.1

Da Vinci Risk Adjustment Implementation Guide, published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 2.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-ra/ and changes regularly. See the Directory of published versions

## Extension: Diagnosis Code Extension

Official URL: http://hl7.org/fhir/us/davinci-ra/StructureDefinition/ra-dxCode | Version: 2.1.0
Standards status: Trial-use | Maturity Level: 2 | Computable Name: DxCode
Other Identifiers: OID:2.16.840.1.113883.4.642.40.29.42.6
Copyright/Legal: Used by permission of HL7 International, all rights reserved Creative Commons License

Diganosis code(s) of the condition, such as ICD-10 codes.

Context of Use

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

- Element ID: `MeasureReport.group`

Usage info

Usages:

- Use this Extension: Risk Adjustment Coding Gap MeasureReport
- Examples for this Extension: MeasureReport/ra-measurereport01-with-remark

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 | Diagnosis code
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-ra/StructureDefinition/ra-dxCode"
valueCodeableConcept |  | 1..1 | CodeableConcept | Suspected/inferred conditions Binding: USCoreConditionCodes (7.0.0) (preferred)
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Diagnosis code
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-ra/StructureDefinition/ra-dxCode"
Slices for value[x] |  | 1..1 | CodeableConcept | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept |  | 1..1 | CodeableConcept | Suspected/inferred conditions Binding: USCoreConditionCodes (7.0.0) (preferred)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Diganosis code(s) of the condition, such as ICD-10 codes.

Maturity: 2

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Diagnosis code
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-ra/StructureDefinition/ra-dxCode"
valueCodeableConcept |  | 1..1 | CodeableConcept | Suspected/inferred conditions Binding: USCoreConditionCodes (7.0.0) (preferred)
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Diagnosis code
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-ra/StructureDefinition/ra-dxCode"
Slices for value[x] |  | 1..1 | CodeableConcept | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept |  | 1..1 | CodeableConcept | Suspected/inferred conditions Binding: USCoreConditionCodes (7.0.0) (preferred)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Diganosis code(s) of the condition, such as ICD-10 codes.

Maturity: 2

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x]:valueCodeableConcept | Base | preferred | US Core Condition Codes | 📍7.0.0 | US Core v7.0

#### 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()`