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The AthenaHealth adapter is designed to provide a template for getting started with Athenahealth API integrations, including:

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titleSTEP 1: Login or sign up for Epic On FHIR Athenahealth Developer Portal to access the Testing Sandbox and create a Client App called "IguanaIguanaXApp"

Refer to Set up your Epic FHIR Setup Athenahealth Sandbox for the sign up process, creating and client and gathering the authentication details needed for the Epic FHIR Athenahealth Adapter.

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titleSTEP 2: Import the Epic FHIR Athenhealth Adapter component in Iguana

See Create a Component if this is your first time!

image-20240410-152821.pngImage Added

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titleSTEP 3: Configure the ClientId and PrivateKey custom fields and click Edit to open the Translator

Enter the ClientId and PrivateKey certificate path.

Using the information provided, the component will run through the authentication workflow and set the Key and KeyExpiry value of the obtained access token automatically.

How the

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ATHENA Library works:

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titleEPICFHIRclient ATHENAclient - sets up the adapter framework

Sets up the EPIC FHIR ATHENA adapter framework, adding the various method modules to a metatable and storing the configurations added to the custom fields.

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titleEPICFHIRauth ATHENAauth - authenticates with the Epic FHIR Server AthenaHealth server

The EPICFHIRauth ATHENAauth function , builds and makes the HTTP POST token request to obtain the access token required for any resource requests against the FHIR Server.

A separate CreateJWT function creates the JSON Header and Payload components of the JWT and calls the OAUTH Library to sign and return the JWT required for the token request.

If the token requests interacting with the AthenaHealth API.

If the token request is successful (HTTP 200 response), the token and token expiry returned are set to the Key and KeyExpiry custom fields respectively.

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titleEPICFHIRcustom ATHENAcustom - makes API requests and returns the response

EPICcustom ATHENAcustom takes in any API requests and parameters to make the API call and return the response.

  • First the function checks if the token Key exists or if the KeyExpiry time has passed and performs the OAuth2.0 authentication workflow to obtain the token to be used in subsequent requests.

  • Uses the passed configurations API request parameters - the method (ex. post), API (ex. Patient) v1/1128700/patients), headers (ex. Content-Type), and parameters for the call (ex. the patient resource details to be created) - to build and carry out the appropriate HTTP request.

  • For resiliency, the Retry Library is used to retry any failed attempts and the response is handled and returned.