QID - Query Identification Segment (HL7 v2.4)

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The QID segment contains the information necessary to uniquely identify a query. Its primary use is in query cancellation or subscription cancellation.

Field	Length	Data Type	Optionality	Repeatability	Table
QID.1 - Query Tag	32	ST	R	-
Length 32 Data Type ST - String Data Optionality Required Repeatability Not repeatable
QID.2 - Message Query Name	250	CE	R	-	0471
Length 250 Data Type CE - Coded Element Optionality Required Repeatability Not repeatable Table 0471 - Query name

HL7 v2.4 - QID - Query Identification