FHIR Orders Exchange (FOE) / Post-Acute Orders (PAO) / (DME-Orders)
0.2.2 - CI Build United States of America flag

FHIR Orders Exchange (FOE) / Post-Acute Orders (PAO) / (DME-Orders), published by HL7. This is not an authorized publication; it is the continuous build for version 0.2.2). This version is based on the current content of https://github.com/HL7/dme-orders/ and changes regularly. See the Directory of published versions

Artifacts Summary

This page provides a list of the FHIR artifacts defined as part of this implementation guide.

Order Profiles (including supporting resources)

PAO DeviceRequest Profile

Post Acute Orders DeviceRequest Profile

Used to order DME and associated supplies (supports identification of the device by using DeviceRequest.code as a CodableConcept, DeviceRequest.code as a Reference to the Device Resource, or as a reference to DeviceDefintion by using the optional extension).

PAO DeviceDefinition Profile

PAO DeviceDefinition Resource Profile

PAO MedicationRequest Profile

PAO MedicationRequest Profile

PAO Medication Profile

PAO Medication Profile based on US Core

PAO ServiceRequest Profile

This resource is used to “order” services (e.g. non-DME (device) and non-medications).

For this version of the IG, it is used primarily to order Home Health Services.

Exchange and Status Profiles

PAO Bundle Profile

PAO Bundle profile includes a MessageHeader, Task, Subscription, service/device/medication order(s) and supporting documentation

PAO MessageHeader Profile

PAO MessageHeader Resource Profile

This profile is used to order, update, cancel and query the status of an order.
It requires the consistent use of identifiers to ensure that any actions targeted at a prior order affect only that order.

PAO Subscription Profile

PAO Subscription Resource Profile

The subscription resource should be used request an alert when there is a change in the order as indicated by a change in the Task resource.
The subscriber has the option of receiving a notification when a change occurs or receiving the updated task and any relevant order resources (device, service, medication).

PAO Task Profile

PAO Task Resource Profile

Other Profiles

PAO Coverage Profile

PAO Coverage Resource Profile

PAO Provenance Profile

PAO Provenance Profile based on US Core


PAO Device Request Extension

DeviceRequest extension to support DeviceDefinition

PAO Order Detail Extension

ServiceRequest extension to support detailed orders

PAO Relevant Reviews Extension

Extension to define relevant reviews (e.g. prior-authorization)

Code Systems

PAO Message Event Code System

Code system for the PAO message event

Value Sets

PAO Message Event

PAO Message.event value set

PAO Task Code Value Set

PAO Task.code value set – uses the same code system as the base resource but restricts the codes and makes the value set extensible.

Examples of US Core Referenced Resources

Patient Amy Shaw

Patient resource conformant to US Core


Practitioner resource conformant to US Core

St Michael Medical Center

Location resource for St. Michael Medical Center conformant to US Core

St Michael Multi-Speciality Clinic

Organization resource – Ambulatory Clinic – St. Michael Multi-Specialty Clinic

St. Michael's Hospital

Organization resource – Inpatient – St. Michael’s Hospital (part of St. Michael’s Medical Center)

Encounter Inpatient

Encounter resource for inpatient conformant to US Core

Observation Blood Glucose

Observation Blood Glucose

Observation O2 Sat

Observation Arterial O2 Saturation by Pulse Oximetry

Examples of PAO Exchange and Supporting Resources

MessageHeader Discharge Order

MessageHeader resource Discharge Order

MessageHeader for Medication Request

MessageHeader resource for MedicationRequest

Task Home Health

Task resource for Home Health Order (ServiceRequest)

Task Medication Request

Task resource for MedicationRequest

Subscription Home Health Task

Subscription resource to the Home Health Task


PAO Coverage

Examples of PAO Order Resources

DeviceRequest insulin pump

Device Request insulin pump

DeviceRequest Home O2

DeviceRequest resource for Home O2 Portable Oxygen Generator

DeviceDefinition Portable Home O2 Generator

DeviceDefinition resource for a Portable Home O2 Generator

MedicationRequest Human Insulin

MedicationRequest resource for Human Insulin

Medication Human Insulin

Medication resource for Human Insulin

Provenance Insulin Order

Provenance resource for Insulin Order (MedicationRequest)

MedicationRequest Everolimus

MedicationRequest resource for Everolimus

Medication Everolimus

Medication resource for Everolimus

Provenance Everolimus Order

Provenance resource for Everolimus Order (MedicationRequest)

ServiceRequest Home Health

ServiceRequest for Home Health physical therapy and speech/hearing therapy

Provenance Home Health Order

Provenance resource for Home Health Order (ServiceRequest)

Example: Example Instances

These are example instances that show what data produced and consumed by systems conforming with this implementation guide might look like.

St Michael Medical Center

Overland Park Location


These are resources that are used within this implementation guide that do not fit into one of the other categories.

NPI Test organization
terminology settings

Terminology settings to point to the US version of SNOMED