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-timingcalendarpattern | Version: 2.2.0-ballot
Standards status: Trial-use Active as of 2026-01-30 | Maturity Level: 3 | Computable Name: CalendarPattern
Other Identifiers: OID:2.16.840.1.113883.4.642.40.24.42.42

A code representing the specific days when a service is being requested

Context of Use

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

- Element ID: `Request`
- Element ID: `Dosage.timing`

Usage info

Usages:

- Use this Extension: PAS Timing and PAS Timing
- Examples for this Extension: MedicationRequest/MedicationRequestExample

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-timingcalendarpattern"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 (required): Codes which specifies the routine shipments, deliveries, or calendar pattern. These codes are listed within an X12 implementation guide (TR3) and maintained by X12. All X12 work products are copyrighted. See their website for licensing terms and conditions.
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 | Not State | Unknown

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-timingcalendarpattern"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 (required): Codes which specifies the routine shipments, deliveries, or calendar pattern. These codes are listed within an X12 implementation guide (TR3) and maintained by X12. All X12 work products are copyrighted. See their website for licensing terms and conditions.
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 | Not State | Unknown

#### 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 CodeableConcept: A code representing the specific days when a service is being requested

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-timingcalendarpattern"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 (required): Codes which specifies the routine shipments, deliveries, or calendar pattern. These codes are listed within an X12 implementation guide (TR3) and maintained by X12. All X12 work products are copyrighted. See their website for licensing terms and conditions.
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 | Not State | Unknown

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-timingcalendarpattern"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 (required): Codes which specifies the routine shipments, deliveries, or calendar pattern. These codes are listed within an X12 implementation guide (TR3) and maintained by X12. All X12 work products are copyrighted. See their website for licensing terms and conditions.
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | https://valueset.x12.org/x217/005010/request/2000F/HSD/1/07/00/678 | Not State | Unknown

#### 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 CodeableConcept: A code representing the specific days when a service is being requested

Maturity: 3

Other representations of profile: CSV, Excel, Schematron