Da Vinci Prior Authorization Support (PAS) FHIR IG
2.2.0-ballot - STU 2.2 - Ballot

Da Vinci Prior Authorization Support (PAS) FHIR IG, published by HL7 International / Financial Management. This guide is not an authorized publication; it is the continuous build for version 2.2.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-pas/ and changes regularly. See the Directory of published versions

## Extension:

Official URL: http://hl7.org/fhir/us/davinci-pas/StructureDefinition/extension-errorPath | Version: 2.2.0-ballot
Standards status: Trial-use Active as of 2026-01-30 | Maturity Level: 3 | Computable Name: ErrorPath
Other Identifiers: OID:2.16.840.1.113883.4.642.40.24.42.14

The FHIRPath expression that indicates which FHIR element that this error information is about. The expression will start with the Bundle and can be followed to determine the specific element.

STU NOTE: We would like feedback during the STU period on whether this extension is sufficient for implementers to determine and display the errored element.

Examples: Bundle.entry[1].resource.name, Bundle.entry[0].resource.identifier[0].value

Context of Use

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

- Element ID: `ClaimResponse.error`

Usage info

Usages:

- Use this Extension: PAS Claim Response Base and PAS Claim Response Base
- Examples for this Extension: Bundle/ErrorResponseBundleExample and ClaimResponse/ErrorResponseExample

You can also check for usages in the FHIR IG Statistics

### Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

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

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-pas/StructureDefinition/extension-errorPath"
value[x] |  | 0..1 | string | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-pas/StructureDefinition/extension-errorPath"
value[x] |  | 0..1 | string | Value of extension
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

Simple Extension with the type string: The FHIRPath expression that indicates which FHIR element that this error information is about. The expression will start with the Bundle and can be followed to determine the specific element.

STU NOTE: We would like feedback during the STU period on whether this extension is sufficient for implementers to determine and display the errored element.

Examples: Bundle.entry[1].resource.name, Bundle.entry[0].resource.identifier[0].value

Maturity: 3

Differential ViewDifferential View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-pas/StructureDefinition/extension-errorPath"
value[x] |  | 0..1 | string | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-pas/StructureDefinition/extension-errorPath"
value[x] |  | 0..1 | string | Value of extension
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

Simple Extension with the type string: The FHIRPath expression that indicates which FHIR element that this error information is about. The expression will start with the Bundle and can be followed to determine the specific element.

STU NOTE: We would like feedback during the STU period on whether this extension is sufficient for implementers to determine and display the errored element.

Examples: Bundle.entry[1].resource.name, Bundle.entry[0].resource.identifier[0].value

Maturity: 3

Other representations of profile: CSV, Excel, Schematron