The Product Characteristics Query Information Model is represented by the Entity Relationship diagram shown in figure Section V.6 -1.

There is only one Information Entity in the model, which is the Product. The Attributes of a Product can be found in the following Module in PS3.3.

Table V.6-1 defines the Attributes of the Product Characteristics Query Information Model:

The Product Package Identifier (0044,0001) might not be globally unique and might conflict with other identifiers used within the scope of the institution.

An implementation that conforms to the Product Characteristics Query SOP Class shall support queries against the Information Model described in Section V.6.1.2 using the baseline C-FIND SCU Behavior described in Section V.4.1.2.

An implementation that conforms to the Product Characteristics Query SOP Class as an SCU shall state in its Conformance Statement the Return Key Attributes it requests, and how those Attributes are used in the application.

An implementation that conforms to the Product Characteristics Query SOP Class as an SCU shall state in its Conformance Statement how it makes use of Specific Character Set (0008,0005) when encoding queries and interpreting responses.

An implementation that conforms to the Product Characteristics Query SOP Class shall support queries against the Product Characteristics Query Information Model described in Section V.6.1.2 using the C-FIND SCP Behavior described in Section V.4.1.3.

An implementation that conforms to the Product Characteristics Query SOP Class as an SCP shall state in its Conformance Statement the Return Key Attributes that it supports.

An implementation that conforms to the Product Characteristics Query SOP Class as an SCP shall state in its Conformance Statement how it makes use of Specific Character Set (0008,0005) when encoding responses.

The Substance Approval Query Information Model is represented by the Entity Relationship diagram shown in Figure V.6-2.

Figure V.6-2

The Attributes of the Information Entities can be found in the following Modules in PS3.3.

Only selected Attributes of these Modules are used in the Substance Approval Query Information Model.

The Information Model is used in a bottom-up manner in the query; i.e., given a Product and a Patient, or alternatively a Product and a Visit, for a proposed Substance Administration act at the current time, find the Approval.

The Visit IE is included in the Information Model to support those institutions that identify patients (e.g., on a bar coded wristband) by Admission ID (i.e., the ID of the Visit), rather than Patient ID. This allows automation of query construction using a scan of the Admission ID. The Admission ID can be mapped to the Patient ID by the SCP for the purpose of the performing the query matching.

Table V.6-2 defines the Attributes of the Substance Approval Query Information Model.

One or both of Patient ID (0010,0020) and Admission ID (0038,0010) shall be present as a Matching Key in the Query.

Product Package Identifier (0044,0001) shall be present as a Matching Key in the Query. The Product Package Identifier might not be globally unique and might conflict with other identifiers used within the scope of the institution.

Administration Route Code Sequence (0054,0302) shall be present as a Matching Key in the Query, and a single Item shall be present in that Sequence with Code Value (0008,0100) and Coding Scheme Designator (0008,0102) as Matching Keys.

A Query response may have a status of Success or Failure (see Section V.4.1.1.4). A Failure Query response carries no semantics about the existence or status of approval of the Substance Administration.

A successful Query response will contain zero or one Pending response items. The case of zero Pending responses carries the semantics of no matching Approval Information Entity found, i.e., that the SCP cannot determine an approval, rather than that the substance administration is approved or disapproved. In this case a decision on substance administration needs to be made by the healthcare provider.

In the case of one Pending response, the matching Approval Information Entity will explicitly convey the Substance Administration Approval (0044,0002) value of APPROVED, WARNING, or CONTRA_INDICATED.

An implementation that conforms to the Substance Approval Query SOP Class shall support queries against the Information Model described in Section V.6.2.2 using the baseline C-FIND SCU Behavior described in Section V.4.1.2.

An implementation that conforms to the Substance Approval Query SOP Class as an SCU shall state in its Conformance Statement how the Query Attributes are used in the application, and how the application displays the returned Attributes, in particular the values of Substance Administration Approval (0044,0002) and Approval Status Further Description (0044,0003). It shall state how it indicates a Query response with zero Pending items, or a Failure status.

An implementation that conforms to the Substance Approval Query SOP Class as an SCU shall state in its Conformance Statement how it makes use of Specific Character Set (0008,0005) when encoding queries and interpreting responses.

An implementation that conforms to the Substance Approval Query SOP Class shall support queries against the Substance Approval Query Information Model described in Section V.6.2.2 using the C-FIND SCP Behavior described in Section V.4.1.3. It shall support all of the Attributes specified in the Information Model.

An implementation that conforms to the Substance Approval Query SOP Class as an SCP shall state in its Conformance Statement how it processes Required and Optional Matching Key Attributes. It shall state how it obtains the values for the Return Key Attributes.

An implementation that conforms to the Substance Approval Query SOP Class as an SCP shall state in its Conformance Statement how it makes use of Specific Character Set (0008,0005) when interpreting queries, performing matching and encoding responses.