{
    "id": "BLG.1",
    "type": "Field",
    "position": "BLG.1",
    "name": "When to Charge",
    "length": 40,
    "usage": "O",
    "rpt": "1",
    "dataType": "CCD",
    "dataTypeName": "Charge Code and Date",
    "tableId": "0100",
    "tableName": "Invocation event",
    "description": null,
    "sample": "",
    "fields": [
        {
            "id": "BLG.1.1",
            "type": "Component",
            "position": "BLG.1.1",
            "length": 1,
            "dataType": "ID",
            "dataTypeName": "Coded values for HL7 tables",
            "usage": "R",
            "rpt": "1",
            "tableId": "0100",
            "tableName": "Invocation event",
            "name": "Invocation Event",
            "description": "Specifies the code for the event precipitating/triggering the charge activity. Refer to HL7 Table 0100 - Invocation event for valid values."
        },
        {
            "id": "BLG.1.2",
            "type": "Component",
            "position": "BLG.1.2",
            "length": 26,
            "dataType": "TS",
            "dataTypeName": "Time Stamp",
            "usage": "O",
            "rpt": "1",
            "tableId": null,
            "tableName": null,
            "name": "Date/Time",
            "description": "The second component is used to express the exact time to charge for the ordered service; it is used only when the CCD.1 value is T. When used, it is expressed as a TS data type."
        }
    ]
}