Documenting all of the business objects needed to represent the complete HL7 data element catalog is prohibitive. The following section explains how the business objects are constructed, along with noting several the special treatment required for several HL7 data elements hat do not follow traditional BO construction rules
Business object construction follows the HL7 data element structure very closely, except for the HL7_DTEncodedText, HL7_DTMA, HL7_DTNA, HL7_DTQIP, and HL7_DTUnionALL.