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A simple library to convert HL7 message version 2 to JSON with human readable description

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PyPI version PyPI version

A simple library converts HL7 message to JSON format

Installation

To install hl7tojson, just:

pip install hl7tojson

Testing

python -m unittest

Example

from hl7tojson import parser

message = '\r'.join([
    'MSH|^~\&|MegaReg|XYZHospC|SuperOE|XYZImgCtr|20060529090131-0500||ADT^A01^ADT_A01|01052901|P|2.5',
    'EVN||200605290901||||200605290900',
    'PID|||56782445^^^UAReg^PI||KLEINSAMPLE^BARRY^Q^JR||19620910|M||2028-9^^HL70005^RA99113^^XYZ|260 GOODWIN CREST '
    'DRIVE^^BIRMINGHAM^AL^35209^^M~NICKELL’S PICKLES^10000 W 100TH '
    'AVE^BIRMINGHAM^AL^35200^^O|||||||0105I30001^^^99DEF^AN',
    'PV1||I|W^389^1^UABH^^^^3||||12345^MORGAN^REX^J^^^MD^0010^UAMC^L||67890^GRAINGER^LUCY^X^^^MD^0010^UAMC^L|MED'
    '|||||A0||13579^POTTER^SHERMAN^T^^^MD^0010^UAMC^L|||||||||||||||||||||||||||200605290900',
    'OBX|1|NM|^Body Height||1.80|m^Meter^ISO+|||||F',
    'OBX|2|NM|^Body Weight||79|kg^Kilogram^ISO+|||||F',
    'AL1|1||^ASPIRIN',
    'DG1|1||786.50^CHEST PAIN, UNSPECIFIED^I9|||A'
])

parser.parse(message)
{
  "info": {
    "message_version": "27",
    "message_type": "ADT_A01",
    "message_description": "Admit/Visit Notification"
  },
  "segments": [
    {
      "fields": [
        {
          "repetitions": [],
          "data": "|",
          "id": 1,
          "description": "Field Separator"
        },
        {
          "repetitions": [],
          "data": "^~\\&",
          "id": 2,
          "description": "Encoding Characters"
        },
        {
          "repetitions": [],
          "data": "MegaReg",
          "id": 3,
          "description": "Sending Application"
        },
        {
          "repetitions": [],
          "data": "XYZHospC",
          "id": 4,
          "description": "Sending Facility"
        },
        {
          "repetitions": [],
          "data": "SuperOE",
          "id": 5,
          "description": "Receiving Application"
        },
        {
          "repetitions": [],
          "data": "XYZImgCtr",
          "id": 6,
          "description": "Receiving Facility"
        },
        {
          "repetitions": [],
          "data": "20060529090131-0500",
          "id": 7,
          "description": "Date/Time of Message"
        },
        {
          "repetitions": [
            {
              "data": "ADT^A01^ADT_A01",
              "description": "Message Type",
              "components": [
                {
                  "data": "ADT",
                  "id": 1,
                  "description": "Message Code"
                },
                {
                  "data": "A01",
                  "id": 2,
                  "description": "Trigger Event"
                },
                {
                  "data": "ADT_A01",
                  "id": 3,
                  "description": "Message Structure"
                }
              ]
            }
          ],
          "data": "ADT^A01^ADT_A01",
          "id": 9,
          "description": "Message Type"
        },
        {
          "repetitions": [],
          "data": "01052901",
          "id": 10,
          "description": "Message Control ID"
        },
        {
          "repetitions": [],
          "data": "P",
          "id": 11,
          "description": "Processing ID"
        },
        {
          "repetitions": [],
          "data": "2.5",
          "id": 12,
          "description": "Version ID"
        }
      ],
      "type": "MSH",
      "description": "Message Header"
    },
    {
      "fields": [
        {
          "repetitions": [],
          "data": "200605290901",
          "id": 2,
          "description": "Recorded Date/Time "
        },
        {
          "repetitions": [],
          "data": "200605290900",
          "id": 6,
          "description": "Event Occurred"
        }
      ],
      "type": "EVN",
      "description": "Event Type"
    },
    {
      "fields": [
        {
          "repetitions": [
            {
              "data": "56782445^^^UAReg^PI",
              "description": "Patient Identifier List",
              "components": [
                {
                  "data": "56782445",
                  "id": 1,
                  "description": "ID Number"
                },
                {
                  "data": "UAReg",
                  "id": 4,
                  "description": "Assigning Authority"
                },
                {
                  "data": "PI",
                  "id": 5,
                  "description": "Identifier Type Code"
                }
              ]
            }
          ],
          "data": "56782445^^^UAReg^PI",
          "id": 3,
          "description": "Patient Identifier List"
        },
        {
          "repetitions": [
            {
              "data": "KLEINSAMPLE^BARRY^Q^JR",
              "description": "Patient Name",
              "components": [
                {
                  "data": "KLEINSAMPLE",
                  "id": 1,
                  "description": "Family Name"
                },
                {
                  "data": "BARRY",
                  "id": 2,
                  "description": "Given Name"
                },
                {
                  "data": "Q",
                  "id": 3,
                  "description": "Second and Further Given Names or Initials Thereof"
                },
                {
                  "data": "JR",
                  "id": 4,
                  "description": "Suffix (e.g., JR or III)"
                }
              ]
            }
          ],
          "data": "KLEINSAMPLE^BARRY^Q^JR",
          "id": 5,
          "description": "Patient Name"
        },
        {
          "repetitions": [],
          "data": "19620910",
          "id": 7,
          "description": "Date/Time of Birth"
        },
        {
          "repetitions": [],
          "data": "M",
          "id": 8,
          "description": "Administrative Sex"
        },
        {
          "repetitions": [
            {
              "data": "2028-9^^HL70005^RA99113^^XYZ",
              "description": "Race",
              "components": [
                {
                  "data": "2028-9",
                  "id": 1,
                  "description": "Identifier"
                },
                {
                  "data": "HL70005",
                  "id": 3,
                  "description": "Name of Coding System"
                },
                {
                  "data": "RA99113",
                  "id": 4,
                  "description": "Alternate Identifier"
                },
                {
                  "data": "XYZ",
                  "id": 6,
                  "description": "Name of Alternate Coding System"
                }
              ]
            }
          ],
          "data": "2028-9^^HL70005^RA99113^^XYZ",
          "id": 10,
          "description": "Race"
        },
        {
          "repetitions": [
            {
              "data": "260 GOODWIN CREST DRIVE^^BIRMINGHAM^AL^35209^^M",
              "description": "Patient Address",
              "components": [
                {
                  "data": "260 GOODWIN CREST DRIVE",
                  "id": 1,
                  "description": "Street Address"
                },
                {
                  "data": "BIRMINGHAM",
                  "id": 3,
                  "description": "City"
                },
                {
                  "data": "AL",
                  "id": 4,
                  "description": "State or Province"
                },
                {
                  "data": "35209",
                  "id": 5,
                  "description": "Zip or Postal Code"
                },
                {
                  "data": "M",
                  "id": 7,
                  "description": "Address Type"
                }
              ]
            },
            {
              "data": "NICKELL\u2019S PICKLES^10000 W 100TH AVE^BIRMINGHAM^AL^35200^^O",
              "description": "Patient Address",
              "components": [
                {
                  "data": "NICKELL\u2019S PICKLES",
                  "id": 1,
                  "description": "Street Address"
                },
                {
                  "data": "10000 W 100TH AVE",
                  "id": 2,
                  "description": "Other Designation"
                },
                {
                  "data": "BIRMINGHAM",
                  "id": 3,
                  "description": "City"
                },
                {
                  "data": "AL",
                  "id": 4,
                  "description": "State or Province"
                },
                {
                  "data": "35200",
                  "id": 5,
                  "description": "Zip or Postal Code"
                },
                {
                  "data": "O",
                  "id": 7,
                  "description": "Address Type"
                }
              ]
            }
          ],
          "data": "260 GOODWIN CREST DRIVE^^BIRMINGHAM^AL^35209^^M~NICKELL\u2019S PICKLES^10000 W 100TH AVE^BIRMINGHAM^AL^35200^^O",
          "id": 11,
          "description": "Patient Address"
        },
        {
          "repetitions": [
            {
              "data": "0105I30001^^^99DEF^AN",
              "description": "Patient Account Number",
              "components": [
                {
                  "data": "0105I30001",
                  "id": 1,
                  "description": "ID Number"
                },
                {
                  "data": "99DEF",
                  "id": 4,
                  "description": "Assigning Authority"
                },
                {
                  "data": "AN",
                  "id": 5,
                  "description": "Identifier Type Code"
                }
              ]
            }
          ],
          "data": "0105I30001^^^99DEF^AN",
          "id": 18,
          "description": "Patient Account Number"
        }
      ],
      "type": "PID",
      "description": "Patient Identification"
    },
    {
      "fields": [
        {
          "repetitions": [],
          "data": "I",
          "id": 2,
          "description": "Patient Class"
        },
        {
          "repetitions": [
            {
              "data": "W^389^1^UABH^^^^3",
              "description": "Assigned Patient Location",
              "components": [
                {
                  "data": "W",
                  "id": 1,
                  "description": "Point of Care"
                },
                {
                  "data": "389",
                  "id": 2,
                  "description": "Room"
                },
                {
                  "data": "1",
                  "id": 3,
                  "description": "Bed"
                },
                {
                  "data": "UABH",
                  "id": 4,
                  "description": "Facility"
                },
                {
                  "data": "3",
                  "id": 8,
                  "description": "Floor"
                }
              ]
            }
          ],
          "data": "W^389^1^UABH^^^^3",
          "id": 3,
          "description": "Assigned Patient Location"
        },
        {
          "repetitions": [
            {
              "data": "12345^MORGAN^REX^J^^^MD^0010^UAMC^L",
              "description": "Attending Doctor",
              "components": [
                {
                  "data": "12345",
                  "id": 1,
                  "description": "Person Identifier"
                },
                {
                  "data": "MORGAN",
                  "id": 2,
                  "description": "Family Name"
                },
                {
                  "data": "REX",
                  "id": 3,
                  "description": "Given Name"
                },
                {
                  "data": "J",
                  "id": 4,
                  "description": "Second and Further Given Names or Initials Thereof"
                },
                {
                  "data": "MD",
                  "id": 7,
                  "description": "Degree (e.g., MD)"
                },
                {
                  "data": "0010",
                  "id": 8,
                  "description": "Source Table"
                },
                {
                  "data": "UAMC",
                  "id": 9,
                  "description": "Assigning Authority"
                },
                {
                  "data": "L",
                  "id": 10,
                  "description": "Name Type Code"
                }
              ]
            }
          ],
          "data": "12345^MORGAN^REX^J^^^MD^0010^UAMC^L",
          "id": 7,
          "description": "Attending Doctor"
        },
        {
          "repetitions": [
            {
              "data": "67890^GRAINGER^LUCY^X^^^MD^0010^UAMC^L",
              "description": "Consulting Doctor",
              "components": [
                {
                  "data": "67890",
                  "id": 1,
                  "description": "Person Identifier"
                },
                {
                  "data": "GRAINGER",
                  "id": 2,
                  "description": "Family Name"
                },
                {
                  "data": "LUCY",
                  "id": 3,
                  "description": "Given Name"
                },
                {
                  "data": "X",
                  "id": 4,
                  "description": "Second and Further Given Names or Initials Thereof"
                },
                {
                  "data": "MD",
                  "id": 7,
                  "description": "Degree (e.g., MD)"
                },
                {
                  "data": "0010",
                  "id": 8,
                  "description": "Source Table"
                },
                {
                  "data": "UAMC",
                  "id": 9,
                  "description": "Assigning Authority"
                },
                {
                  "data": "L",
                  "id": 10,
                  "description": "Name Type Code"
                }
              ]
            }
          ],
          "data": "67890^GRAINGER^LUCY^X^^^MD^0010^UAMC^L",
          "id": 9,
          "description": "Consulting Doctor"
        },
        {
          "repetitions": [],
          "data": "MED",
          "id": 10,
          "description": "Hospital Service"
        },
        {
          "repetitions": [],
          "data": "A0",
          "id": 15,
          "description": "Ambulatory Status"
        },
        {
          "repetitions": [
            {
              "data": "13579^POTTER^SHERMAN^T^^^MD^0010^UAMC^L",
              "description": "Admitting Doctor",
              "components": [
                {
                  "data": "13579",
                  "id": 1,
                  "description": "Person Identifier"
                },
                {
                  "data": "POTTER",
                  "id": 2,
                  "description": "Family Name"
                },
                {
                  "data": "SHERMAN",
                  "id": 3,
                  "description": "Given Name"
                },
                {
                  "data": "T",
                  "id": 4,
                  "description": "Second and Further Given Names or Initials Thereof"
                },
                {
                  "data": "MD",
                  "id": 7,
                  "description": "Degree (e.g., MD)"
                },
                {
                  "data": "0010",
                  "id": 8,
                  "description": "Source Table"
                },
                {
                  "data": "UAMC",
                  "id": 9,
                  "description": "Assigning Authority"
                },
                {
                  "data": "L",
                  "id": 10,
                  "description": "Name Type Code"
                }
              ]
            }
          ],
          "data": "13579^POTTER^SHERMAN^T^^^MD^0010^UAMC^L",
          "id": 17,
          "description": "Admitting Doctor"
        },
        {
          "repetitions": [],
          "data": "200605290900",
          "id": 44,
          "description": "Admit Date/Time"
        }
      ],
      "type": "PV1",
      "description": "Patient Visit"
    },
    {
      "fields": [
        {
          "repetitions": [],
          "data": "1",
          "id": 1,
          "description": "Set ID - OBX"
        },
        {
          "repetitions": [],
          "data": "NM",
          "id": 2,
          "description": "Value Type"
        },
        {
          "repetitions": [
            {
              "data": "^Body Height",
              "description": "Observation Identifier",
              "components": [
                {
                  "data": "Body Height",
                  "id": 2,
                  "description": "Text"
                }
              ]
            }
          ],
          "data": "^Body Height",
          "id": 3,
          "description": "Observation Identifier"
        },
        {
          "repetitions": [],
          "data": "1.80",
          "id": 5,
          "description": "Observation Value"
        },
        {
          "repetitions": [
            {
              "data": "m^Meter^ISO+",
              "description": "Units",
              "components": [
                {
                  "data": "m",
                  "id": 1,
                  "description": "Identifier"
                },
                {
                  "data": "Meter",
                  "id": 2,
                  "description": "Text"
                },
                {
                  "data": "ISO+",
                  "id": 3,
                  "description": "Name of Coding System"
                }
              ]
            }
          ],
          "data": "m^Meter^ISO+",
          "id": 6,
          "description": "Units"
        },
        {
          "repetitions": [],
          "data": "F",
          "id": 11,
          "description": "Observation Result Status"
        }
      ],
      "type": "OBX",
      "description": "Observation/Result"
    },
    {
      "fields": [
        {
          "repetitions": [],
          "data": "2",
          "id": 1,
          "description": "Set ID - OBX"
        },
        {
          "repetitions": [],
          "data": "NM",
          "id": 2,
          "description": "Value Type"
        },
        {
          "repetitions": [
            {
              "data": "^Body Weight",
              "description": "Observation Identifier",
              "components": [
                {
                  "data": "Body Weight",
                  "id": 2,
                  "description": "Text"
                }
              ]
            }
          ],
          "data": "^Body Weight",
          "id": 3,
          "description": "Observation Identifier"
        },
        {
          "repetitions": [],
          "data": "79",
          "id": 5,
          "description": "Observation Value"
        },
        {
          "repetitions": [
            {
              "data": "kg^Kilogram^ISO+",
              "description": "Units",
              "components": [
                {
                  "data": "kg",
                  "id": 1,
                  "description": "Identifier"
                },
                {
                  "data": "Kilogram",
                  "id": 2,
                  "description": "Text"
                },
                {
                  "data": "ISO+",
                  "id": 3,
                  "description": "Name of Coding System"
                }
              ]
            }
          ],
          "data": "kg^Kilogram^ISO+",
          "id": 6,
          "description": "Units"
        },
        {
          "repetitions": [],
          "data": "F",
          "id": 11,
          "description": "Observation Result Status"
        }
      ],
      "type": "OBX",
      "description": "Observation/Result"
    },
    {
      "fields": [
        {
          "repetitions": [],
          "data": "1",
          "id": 1,
          "description": "Set ID - AL1"
        },
        {
          "repetitions": [
            {
              "data": "^ASPIRIN",
              "description": "Allergen Code/Mnemonic/Description",
              "components": [
                {
                  "data": "ASPIRIN",
                  "id": 2,
                  "description": "Text"
                }
              ]
            }
          ],
          "data": "^ASPIRIN",
          "id": 3,
          "description": "Allergen Code/Mnemonic/Description"
        }
      ],
      "type": "AL1",
      "description": "Patient Allergy Information"
    },
    {
      "fields": [
        {
          "repetitions": [],
          "data": "1",
          "id": 1,
          "description": "Set ID - DG1"
        },
        {
          "repetitions": [
            {
              "data": "786.50^CHEST PAIN, UNSPECIFIED^I9",
              "description": "Diagnosis Code - DG1 ",
              "components": [
                {
                  "data": "786.50",
                  "id": 1,
                  "description": "Identifier"
                },
                {
                  "data": "CHEST PAIN, UNSPECIFIED",
                  "id": 2,
                  "description": "Text"
                },
                {
                  "data": "I9",
                  "id": 3,
                  "description": "Name of Coding System"
                }
              ]
            }
          ],
          "data": "786.50^CHEST PAIN, UNSPECIFIED^I9",
          "id": 3,
          "description": "Diagnosis Code - DG1 "
        },
        {
          "repetitions": [],
          "data": "A",
          "id": 6,
          "description": "Diagnosis Type"
        }
      ],
      "type": "DG1",
      "description": "Diagnosis"
    }
  ]
}

TODO

  • Support all versions of HL7 version 2
  • Support data description in multiple languages
  • Add CI

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A simple library to convert HL7 message version 2 to JSON with human readable description

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