How can the Terser obtain the total number of ORC and OBR segments in an
ORU message? I know how to use the Terser to get values from elements,
components, and subcomponents of individual ORC and OBR segments by
appending the number of the segment to the name of the segment.
Nevertheless, before loopingover these segments, I imagine that I would
need to know how many of these segments are in the message.
Moreover, if a message has several ORC segments, how can the Terser
traverse the ORC and its associated OBR segments?
I need to use the Terser because my application receives messages in
several versions of HL7 and casting the messages to a higher version
often fails due to some data that fails to follow the standard.
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