Date/Time Selection Qualifier

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Definition: This field allows the specification of certain types of values within the date/time range.

Length≤12

4 values


`1ST`	First value within range
`ALL`	All values within the range
`LST`	Last value within the range
`REV`	All values within the range returned in reverse chronological order (Default if not otherwise specified.)

IDCoded Value for HL7 tablesPrimitive