# Health Connect Australia Provider Directory FHIR Implementation Guide

26.0.0 - Trial

Health Connect Australia Provider Directory FHIR Implementation Guide, published by Australian Digital Health Agency. This guide is not an authorized publication; it is the continuous build for version 26.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/AuDigitalHealth/HCPD/ and changes regularly. See the Directory of published versions

## Data Type Profile: HCPD Healthcare Provider Identifier - Organisation (HCPD HPI-O)

Official URL: http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hcpd-hpio | Version: 26.0.0
Active as of 2026-06-17 | Computable Name: HCPD_HPIO_Identifier
Usage:Jurisdiction: Australia
Copyright/Legal: Copyright © 2026 Australian Digital Health Agency - All rights reserved. This content is licensed under a Creative Commons Attribution 4.0 International License. See https://creativecommons.org/licenses/by/4.0/.

This identifier profile extends the AU HPI-O profile to include an organization classification extension to indicate whether the organization is a 'seed' or 'network' type.

Usages:

- Use this DataType Profile: HCPD Organization

You can also check for usages in the FHIR IG Statistics

### Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

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

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier | C | 0..* | AUHPIO(6.0.0) | Healthcare Provider Identifier – Organisation (HPI-O) Constraints: inv-hpio-0, inv-hpio-1, inv-hpio-2
Slices for extension |  | 1..* | Extension | Extension Slice: Unordered, Open by value:url Constraints: ext-1
extension:hi-org-classification | S | 1..1 | CodeableConcept | Organization classification URL: http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification Binding: HI_Org_Classification_VS (26.0.0) (required) Constraints: ext-1
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 1..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org.au/CodeSystem/v2-0203
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: NOI
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
system | Σ | 1..1 | uri | The namespace for the identifier value Fixed Value: http://ns.electronichealth.net.au/id/hi/hpio/1.0
value | Σ C | 1..1 | string | HPI-O Example General: 123456 Example HPI-O: 8003621566684455 Max Length:16
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
ele-1 | error | Identifier, Identifier.extension, Identifier.extension:hi-org-classification, Identifier.use, Identifier.type, Identifier.system, Identifier.value | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | Identifier.extension, Identifier.extension:hi-org-classification | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
inv-hpio-0 | error | Identifier | HPI-O shall be 16 digits | `value.matches('^([0-9]{16})$')`
inv-hpio-1 | error | Identifier | HPI-O prefix shall be 800362 | `value.startsWith('800362')`
inv-hpio-2 | error | Identifier | HPI-O shall pass the Luhn algorithm check | `(((select(value.substring(0,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(1,1).toInteger())+(select(value.substring(2,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(3,1).toInteger())+(select(value.substring(4,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(5,1).toInteger())+(select(value.substring(6,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(7,1).toInteger())+(select(value.substring(8,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(9,1).toInteger())+(select(value.substring(10,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(11,1).toInteger())+(select(value.substring(12,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(13,1).toInteger())+(select(value.substring(14,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(15,1).toInteger()))mod 10=0)`

This structure is derived from AUHPIO

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | AUHPIO(6.0.0) | Healthcare Provider Identifier – Organisation (HPI-O)
extension |  | 1..* | Extension | Extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:hi-org-classification | S | 1..1 | CodeableConcept | Organization classification URL: http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification Binding: HI_Org_Classification_VS (26.0.0) (required)
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier | C | 0..* | AUHPIO(6.0.0) | Healthcare Provider Identifier – Organisation (HPI-O) Constraints: inv-hpio-0, inv-hpio-1, inv-hpio-2
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 1..* | Extension | Extension Slice: Unordered, Open by value:url Constraints: ext-1
extension:hi-org-classification | S | 1..1 | CodeableConcept | Organization classification URL: http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification Binding: HI_Org_Classification_VS (26.0.0) (required) Constraints: ext-1
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 1..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org.au/CodeSystem/v2-0203
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: NOI
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
system | Σ | 1..1 | uri | The namespace for the identifier value Fixed Value: http://ns.electronichealth.net.au/id/hi/hpio/1.0
value | Σ C | 1..1 | string | HPI-O Example General: 123456 Example HPI-O: 8003621566684455 Max Length:16
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
ele-1 | error | Identifier, Identifier.extension, Identifier.extension:hi-org-classification, Identifier.use, Identifier.type, Identifier.system, Identifier.value, Identifier.period, Identifier.assigner | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | Identifier.extension, Identifier.extension:hi-org-classification | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
inv-hpio-0 | error | Identifier | HPI-O shall be 16 digits | `value.matches('^([0-9]{16})$')`
inv-hpio-1 | error | Identifier | HPI-O prefix shall be 800362 | `value.startsWith('800362')`
inv-hpio-2 | error | Identifier | HPI-O shall pass the Luhn algorithm check | `(((select(value.substring(0,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(1,1).toInteger())+(select(value.substring(2,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(3,1).toInteger())+(select(value.substring(4,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(5,1).toInteger())+(select(value.substring(6,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(7,1).toInteger())+(select(value.substring(8,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(9,1).toInteger())+(select(value.substring(10,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(11,1).toInteger())+(select(value.substring(12,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(13,1).toInteger())+(select(value.substring(14,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(15,1).toInteger()))mod 10=0)`

This structure is derived from AUHPIO

Summary

Mandatory: 2 elements
Must-Support: 1 element

Extensions

This structure refers to these extensions:

- http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification|26.0.0

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier | C | 0..* | AUHPIO(6.0.0) | Healthcare Provider Identifier – Organisation (HPI-O) Constraints: inv-hpio-0, inv-hpio-1, inv-hpio-2
Slices for extension |  | 1..* | Extension | Extension Slice: Unordered, Open by value:url Constraints: ext-1
extension:hi-org-classification | S | 1..1 | CodeableConcept | Organization classification URL: http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification Binding: HI_Org_Classification_VS (26.0.0) (required) Constraints: ext-1
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 1..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org.au/CodeSystem/v2-0203
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: NOI
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
system | Σ | 1..1 | uri | The namespace for the identifier value Fixed Value: http://ns.electronichealth.net.au/id/hi/hpio/1.0
value | Σ C | 1..1 | string | HPI-O Example General: 123456 Example HPI-O: 8003621566684455 Max Length:16
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
ele-1 | error | Identifier, Identifier.extension, Identifier.extension:hi-org-classification, Identifier.use, Identifier.type, Identifier.system, Identifier.value | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | Identifier.extension, Identifier.extension:hi-org-classification | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
inv-hpio-0 | error | Identifier | HPI-O shall be 16 digits | `value.matches('^([0-9]{16})$')`
inv-hpio-1 | error | Identifier | HPI-O prefix shall be 800362 | `value.startsWith('800362')`
inv-hpio-2 | error | Identifier | HPI-O shall pass the Luhn algorithm check | `(((select(value.substring(0,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(1,1).toInteger())+(select(value.substring(2,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(3,1).toInteger())+(select(value.substring(4,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(5,1).toInteger())+(select(value.substring(6,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(7,1).toInteger())+(select(value.substring(8,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(9,1).toInteger())+(select(value.substring(10,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(11,1).toInteger())+(select(value.substring(12,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(13,1).toInteger())+(select(value.substring(14,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(15,1).toInteger()))mod 10=0)`

Differential View

This structure is derived from AUHPIO

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | AUHPIO(6.0.0) | Healthcare Provider Identifier – Organisation (HPI-O)
extension |  | 1..* | Extension | Extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:hi-org-classification | S | 1..1 | CodeableConcept | Organization classification URL: http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification Binding: HI_Org_Classification_VS (26.0.0) (required)
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier | C | 0..* | AUHPIO(6.0.0) | Healthcare Provider Identifier – Organisation (HPI-O) Constraints: inv-hpio-0, inv-hpio-1, inv-hpio-2
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 1..* | Extension | Extension Slice: Unordered, Open by value:url Constraints: ext-1
extension:hi-org-classification | S | 1..1 | CodeableConcept | Organization classification URL: http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification Binding: HI_Org_Classification_VS (26.0.0) (required) Constraints: ext-1
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 1..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org.au/CodeSystem/v2-0203
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: NOI
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
system | Σ | 1..1 | uri | The namespace for the identifier value Fixed Value: http://ns.electronichealth.net.au/id/hi/hpio/1.0
value | Σ C | 1..1 | string | HPI-O Example General: 123456 Example HPI-O: 8003621566684455 Max Length:16
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
ele-1 | error | Identifier, Identifier.extension, Identifier.extension:hi-org-classification, Identifier.use, Identifier.type, Identifier.system, Identifier.value, Identifier.period, Identifier.assigner | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | Identifier.extension, Identifier.extension:hi-org-classification | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
inv-hpio-0 | error | Identifier | HPI-O shall be 16 digits | `value.matches('^([0-9]{16})$')`
inv-hpio-1 | error | Identifier | HPI-O prefix shall be 800362 | `value.startsWith('800362')`
inv-hpio-2 | error | Identifier | HPI-O shall pass the Luhn algorithm check | `(((select(value.substring(0,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(1,1).toInteger())+(select(value.substring(2,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(3,1).toInteger())+(select(value.substring(4,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(5,1).toInteger())+(select(value.substring(6,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(7,1).toInteger())+(select(value.substring(8,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(9,1).toInteger())+(select(value.substring(10,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(11,1).toInteger())+(select(value.substring(12,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(13,1).toInteger())+(select(value.substring(14,1).toInteger()).select(iif($this<5, $this*2, (($this*2)-9))))+(value.substring(15,1).toInteger()))mod 10=0)`

This structure is derived from AUHPIO

Summary

Mandatory: 2 elements
Must-Support: 1 element

Extensions

This structure refers to these extensions:

- http://digitalhealth.gov.au/fhir/hcpd/StructureDefinition/hi-org-classification|26.0.0

Other representations of profile: CSV, Excel, Schematron