{
    "id": "LCH.2",
    "type": "Field",
    "position": "LCH.2",
    "name": "Segment Action Code",
    "length": 3,
    "usage": "O",
    "rpt": "1",
    "dataType": "ID",
    "dataTypeName": "Coded values for HL7 tables",
    "tableId": "0206",
    "tableName": "Segment action code",
    "description": "This field indicates whether this repetition of the segment is being added, changed or deleted. -- The action code adds a validation check to indicate, from the point of view of the sending system, whether this repetition of a segment is being added, changed or deleted. This and the following field are used to implement the \"unique key\" mode of updating repeating segments. Refer to HL7 Table 0206 - Segment action code for valid values.",
    "sample": "",
    "fields": []
}