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fhir-mpi: Demonstration FHIR-based MPI

Rob Tweed [email protected]
12 March 2019, M/Gateway Developments Ltd http://www.mgateway.com

Twitter: @rtweed

Google Group for discussions, support, advice etc: http://groups.google.co.uk/group/enterprise-web-developer-community

Background

This is a re-usable QEWD-Up MicroService that demonstrates a REST-interfaced, FHIR-based Master Patient Index (MPI), using QEWD's built-in YottaDB-based persistent JSON storage to provide the database.

Patient records are stored in their FHIR format.

QEWD's event-driven indexing is used to manage and maintain the indices needed for search and retrieval of patient records.

APIs

  • POST /mpi/Patient
  • GET /mpi/Patient/{id}
  • GET /mpi/Patient?name={surname}

The body payload for a new patient record can either be in strict FHIR format, eg:

    {
        "resourceType": "Patient",
        "name": [{
            "family": "Chalmers",
            "given": [
                "Peter",
                "James"
            ],
            "prefix": "Mr"
        }],
        "telecom": "07700 900000",
        "deceasedBoolean": false,
        "gender": "male",
        "birthDate": "1974-12-25",
        "address": [{
            "line": ["26, High Street"],
            "city": "Dundee",
            "district": "Tayside",
            "postalCode": "DU2 3SK",
            "country": "United Kingdom"
        }]
    }

However, a simpler structure can also be used, eg:

    {
      "name": {
        "family": "Chalmers",
        "given": [
          "Peter",
          "James"
        ],
        "prefix": "Mr"
      },
      "telecom": "07700 900000",
      "gender": "male",
      "birthDate": "1974-12-25",
      "address": {
        "line": "26, High Street",
        "city": "Dundee",
        "district": "Tayside",
        "postalCode": "DU2 3SK",
        "country": "United Kingdom"
      }
    }

This will automatically be converted and store as the full, correct FHIR format.

The following properties are also added at the time of saving:

    "id": {unique UUID-formatted id},
    "identifier": [{
      "system": "urn:oid:2.16.840.1.113883.2.1.3.2.4.16.53",
      "value": {unique integer id, assigned by QEWD}
    }]

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Demonstration FHIR-based QEWD-Up MicroService

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