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GP2GP Sending Adaptor

National Integration Adaptor - GP2GP Sending Adaptor

The existing GP2GP solution uses a legacy messaging standard and infrastructure (HL7v3 and Spine TMS). Reliance on these standards going forward presents a significant barrier to successful GP2GP implementation by new suppliers, and perpetuation of these standards in the long term presents a risk to the continued operation of GP2GP across all suppliers.

A hybrid solution approach has been selected as the best option for GP2GP adoption by NMEs and transition by existing incumbent suppliers.

The "National Integration Adaptor - GP2GP" implements a GP2GP 2.2b producer using the supplier's existing GP Connect Provider implementation to extract the Electronic Health Record. Suppliers that have not already implemented a GP2GP 2.2b producer, or those wishing to decommission their existing producer, may deploy the GP2GP adaptor in its place.

Table of contents

  1. Guidance for operating the adaptor as a New Market Entrant
  2. Guidance on integrating with the adaptors APIs
  3. Guidance for developing the adaptor
  4. Documentation on how this adaptor maps GPConnect concepts to GP2GP concepts

How to query the EHR Status API

An API is provided to query the status of any transfer to an incumbent.

Requests can be made to the following endpoint using the Conversation ID (SSP-TraceID) of the transfer:

    {location of gp2gp service}/ehr-status/{conversationId} [GET]

The response will contain the following fields:

EhrStatus

Field name Description Data type Possible values nullable
originalRequestDate The date and time of the original request ISO-8601 False
migrationStatus The current state of the transfer, a status of COMPLETE_WITH_ISSUES is given if placeholder documents were sent string / enum COMPLETE

COMPLETE_WITH_ISSUES

FAILED_NME

FAILED_INCUMBENT

IN_PROGRESS		 False
attachmentStatus An array of statuses for each document sent during the transfer Array of AttachmentStatus (See below) False
migrationLog An array containing details of acknowledgments received during the transfer Array of ReceivedAcknowledgement (See below) False

Subtypes

AttachmentStatus

Field name Description Data type Possible values Nullable
identifier An array of identifiers taken from the identifier element of the GP Connect DocumentReference Array of Identifier (see below) False
fileStatus The status of the document sent to the winning practice (can be used to identify if a placeholder document was sent) string / enum PLACEHOLDER

ORIGINAL_FILE

ERROR		 False
filename The filename sent to winning practice in the GP2GP message string False
originalDescription The description of the file as given by the description element of the GP Connect DocumentReference resource.

This is inserted into the GP2GP placeholder document as the original filename and suffix. So should be of the form filename.suffix, e.g. referral.txt		 string True

Identifier

Field name Description Data type Nullable
system The system element of the Gp Connect DocumentReference.identifier string False
value The identifier element of the Gp Connect DocumentReference.identifier string False

ReceivedAcknowledgement

Field name Description Data type Nullable
received The date and time the acknowledgment was received ISO-8601 False
conversationClosed If the acknowledgement ended the transfer, the date and time the conversation was closed can be found here ISO-8601 True
errors An array of errors which will be populated in the case of a negative / rejected acknowledgement Array of Error (see below) True
messageRef the Message ID of the message that has been acknowledged string False

Error

Field name Description Data type Nullable
code The GP2GP response code from the negative response string False
display The GP2GP response text from the negative response string False
EHR Status example responses

Successful migration, with single positive acknowledgement of EHR Extract (conversation closed and no errors):

{
    "attachmentStatus": [],
    "migrationLog": [
        {
            "received": "2023-07-24T09:39:09.377Z",
            "conversationClosed": "2023-07-24T09:39:09.377Z",
            "errors": null,
            "messageRef": "0BEBCA12-8BE4-44B4-BDC0-016A4FE3D107"
        }
    ],
    "migrationStatus": "COMPLETE",
    "originalRequestDate": "2023-07-24T09:38:50.947Z",
    "fromAsid": "918999198738",
    "toAsid": "200000000359"
}

Failed by requester, with single negative acknowledgement of EHR Extract (conversation closed and error):

{
    "attachmentStatus": [],
    "migrationLog": [
        {
            "received": "2023-07-21T16:09:19.594Z",
            "conversationClosed": "2023-07-21T16:09:19.594Z",
            "errors": [
                {
                    "code": "11",
                    "display": "Failed to successfully integrate EHR Extract."
                }
            ],
            "messageRef": "C5271147-3D89-4EF6-A719-01AEB3AD00A1"
        }
    ],
    "migrationStatus": "FAILED_INCUMBENT",
    "originalRequestDate": "2023-07-21T16:09:12.695Z",
    "fromAsid": "918999198738",
    "toAsid": "200000000359"
}

Failed by requester, with multiple positive acknowledgements for COPC messages (without conversation closed) and one negative acknowledgement for EHR Extract (conversation closed and error):

{
    "attachmentStatus": [
        {
            "identifier": [
                {
                    "system": "https://EMISWeb/A82038",
                    "value": "ad174c84-51d1-4744-89e3-7918a31248d1"
                }
            ],
            "fileStatus": "ORIGINAL_FILE",
            "fileName": "54E94A29-B0CC-4CD6-86B0-B21C9C0CA894.doc",
            "originalDescription": "Referral for further care (22-Dec-2020)"
        },
        {
            "identifier": [
                {
                    "system": "https://EMISWeb/A82038",
                    "value": "D7AF52BA-79BA-4AF8-9010-F0C2DF916CEC"
                }
            ],
            "fileStatus": "ORIGINAL_FILE",
            "fileName": "629BF3F7-C71F-49D7-8FCD-AEE16C11AFBD.doc",
            "originalDescription": "Referral for further care (22-Dec-2020)"
        },
        {
            "identifier": [
                {
                    "system": "https://EMISWeb/A82038",
                    "value": "D7AF52BA-79BA-4AF8-9010-F0C2DF916CEC"
                }
            ],
            "fileStatus": "ORIGINAL_FILE",
            "fileName": "2F73A243-0F94-4683-B3F9-727CE7780815.doc",
            "originalDescription": "Referral for further care (22-Dec-2020)"
        }
    ],
    "migrationLog": [
        {
            "received": "2023-07-24T10:42:18.591Z",
            "conversationClosed": null,
            "errors": null,
            "messageRef": "ED2FB0DD-52AE-4EBC-B596-3BCA9CF5B272"
        },
                {
            "received": "2023-07-24T10:42:19.176Z",
            "conversationClosed": null,
            "errors": null,
            "messageRef": "5068BAE1-7228-4E59-B3AD-92FA5CBDE4AC"
        },
                {
            "received": "2023-07-24T10:42:19.467Z",
            "conversationClosed": null,
            "errors": null,
            "messageRef": "A9E37B68-07F4-43A5-889E-645D6681CE68"
        },
        {
            "received": "2023-07-24T10:42:22.611Z",
            "conversationClosed": "2023-07-24T10:42:22.611Z",
            "errors": [
                {
                    "code": "99",
                    "display": "Unexpected condition."
                }
            ],
            "messageRef": "E600D1D4-D5BE-4D0D-8080-F7F6188B0548"
        }
    ],
    "migrationStatus": "FAILED_INCUMBENT",
    "originalRequestDate": "2023-07-24T10:42:05.757Z",
    "fromAsid": "918999198738",
    "toAsid": "200000000359"
}

Failed by adaptor, due to a PATIENT_NOT_FOUND error from the GP Connect provider's migrate structured endpoint

{
    "attachmentStatus": [],
    "migrationLog": [],
    "migrationStatus": "FAILED_NME",
    "originalRequestDate": "2023-07-26T15:36:22.284Z",
    "fromAsid": "918999198738",
    "toAsid": "200000000359"
}

How to query the Requests endpoint

An API is provided to query the status of all transfers to an incumbent. Any "in-progress" transfers are excluded from this list, but become available once they either succeed or fail.

Requests can be made to the following endpoint, where each attribute within the JSON POST body is an optional filter criteria.

POST /requests
Content-Type: application/json

{
    "fromDateTime": "2020-10-31T01:30:00.000Z",
    "toDateTime": "2030-10-31T01:30:00.000Z",
    "fromAsid": "",
    "toAsid": "",
    "fromOdsCode": "",
    "toOdsCode": ""
}

The response will contain a JSON array of the following:

EhrStatusRequest

Field name Description Data type Possible values nullable
initialRequestTimestamp The date and time of the original request. ISO-8601 False
actionCompletedTimestamp The date and time of when the transfer completed. ISO-8601 False
nhsNumber string False
conversationId string False
fromAsid string False
toAsid string False
fromOdsCode string False
toOdsCode string False
migrationStatus The current state of the transfer, a status of COMPLETE_WITH_ISSUES is given if placeholder documents were sent string / enum COMPLETE
COMPLETE_WITH_ISSUES
FAILED_NME
FAILED_INCUMBENT		 False

Example EhrStatusRequest response

[
    {
        "initialRequestTimestamp":"2023-09-20T11:47:58.966Z",
        "actionCompletedTimestamp":"2023-09-20T11:54:19.552Z",
        "nhsNumber":"9729734925",
        "conversationId":"59B118DB-70C3-4883-8A60-5E725981F003",
        "migrationStatus":"COMPLETE",
        "fromAsid":"858000001001",
        "toAsid":"200000001908",
        "fromOdsCode":"C88046",
        "toOdsCode":"B84012"
    },
    {
        "initialRequestTimestamp":"2023-09-20T12:18:10.364Z",
        "actionCompletedTimestamp":"2023-09-20T12:18:13.923Z",
        "nhsNumber":"9729735336",
        "conversationId":"C2A59970-57AF-11EE-AFE6-CD607DC58E3B",
        "migrationStatus":"FAILED_INCUMBENT",
        "fromAsid":"200000000169",
        "toAsid":"200000001908",
        "fromOdsCode":"P84009",
        "toOdsCode":"B84012"
    }
]

Diagrams

Sequence Diagram

Sequence diagram

Disclaimer

All Patient data within this repository is synthetic

Licensing

This code is dual licensed under the MIT license and the OGL (Open Government License). Any new work added to this repository must conform to the conditions of these licenses. In particular this means that this project may not depend on GPL-licensed or AGPL-licensed libraries, as these would violate the terms of those libraries' licenses.

The contents of this repository are protected by Crown Copyright (C).