CDA To Fhir (JSON) Service uses the cda2fhir library by amida-tech to provide a service that accepts a CDA formatted XML document and returns the data converted to fhir in JSON format. It supports FHIR 3.
It is built using a library called called cda2fhir. The current custodian is for this project is
UPMC Enterprises. Their website is https://enterprises.upmc.com/.
The cda2fhir library source code is here: https://github.com/upmc-enterprises/cda2fhir
The download allows for install in Tomcat and other tools. This service is a good candidate for container services such as AWS Elastic Beanstalk.
Download the WAR directly from the master branch. See cda2fhir-service-0.0.1.war.
This service is a good candidate for container services such as AWS Elastic Beanstalk.
Apache Maven is required to build cda2fhir-service. Please visit http://maven.apache.org/ in order to install Maven on your system.
Under the root directory of the cda2fhir-service project run the following:
$ cda2fhir-service> mvn install
In order to make a clean install run the following:
$ cda2fhir-service> mvn clean install
To run the server locally:
$ cda2fhir-service> mvn spring-boot:run
Perform an HTTP POST of the CCDA you wish to convert. The response is in JSON. A couple other GET commands say hello and report health.
{"status":"UP"}
{"message" : "Welcome to the CDA to FHIR Conversion Service"}
<?xml version="1.0" encoding="UTF-8"?>
<ClinicalDocument xmlns="urn:hl7-org:v3">
<realmCode code="US"/>
<typeId root="2.16.840.1.113883.1.3" extension="POCD_HD000040"/>
...
...
</ClinicalDocument>
curl http://localhost:8080/api/convert -X POST -d @cda-filename.xml -H "Content-Type: application/xml"
{
"entry": [
{
"resource": {
"id": "1",
"subject": {
"display": "MICKEY M MOUSE, MICKEY MOUSE",
"reference": "Patient/2"
},
"author": [
{
"reference": "Device/3"
}
],
"resourceType": "Composition",
...
...
}
}
]
}