{
  "tableNumber": "0158",
  "id": "v2-0158",
  "name": "DateTimeSelectionQualifier",
  "title": "date-timeSelectionQualifier",
  "description": "HL7-defined code system of conceptss that allow the specification of certain types of values within the date/time range. Used in HL7 Vesion 2 messaging in the QRF segment.",
  "url": "http://terminology.hl7.org/CodeSystem/v2-0158",
  "concepts": [
    {
      "code": "1ST",
      "display": "First value within range"
    },
    {
      "code": "ALL",
      "display": "All values within the range"
    },
    {
      "code": "LST",
      "display": "Last value within the range"
    },
    {
      "code": "REV",
      "display": "All values within the range returned in reverse chronological order (This is the default if not otherwise specified.)"
    }
  ]
}