The following types of matching, which are defined by the Query/Retrieve Service Class in Annex C, may be performed on Matching Key Attributes in the Substance Administration Query Service Class. Different Matching Key Attributes may be subject for different matching types. The Substance Administration Query Information Model defines the type of matching for each Required Matching Key Attribute. The Conformance Statement of the SCP shall define the type of matching for each Optional Matching Key Attribute. The types of matching are:
— Single Value Matching
— Sequence Matching
The following type of matching, which is defined by the Query/Retrieve Service Class in Annex C of this Part, shall be performed on Return Key Attributes in the Substance Administration Query Service Class.
— Universal Matching
See Section C.2.2.2 and subsections for specific rules governing of Matching Key Attribute encoding for and performing of different types of matching.
The Specific Character Set (0008,0005) Attribute may be present in the Identifier but is never matched, i.e., it is not considered a Matching Key Attribute. See Section C.2.2.2 for details.