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 Basic Worklist Management Service Class. Different Matching Key Attributes may be subject for different matching types. The Worklist 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:

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 Basic Worklist Management Service Class.

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 and/or the Timezone Offset From UTC (0008,0201) Attribute may be present in the Identifier but are never matched, i.e., they are not considered Matching Key Attributes. See Section C.2.2.2 for details.

Single Value Matching of Attributes with a VR of PN may be affected by Extended Negotiation of fuzzy semantic matching of person names.