DICOM PS3.3 2018a - Information Object Definitions

F.5.33 HL7 Structured Document Directory Record Definition
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### F.5.33 HL7 Structured Document Directory Record Definition

The Directory Record is based on the specification of Section F.3. It is identified by a Directory Record Type of Value "HL7 STRUC DOC".

Table F.5-33 lists the set of keys with their associated Types for such a Directory Record Type. This Directory Record shall be used to reference an HL7 Structured Document and any of its referenced content stored on the interchange media but not encapsulated in a DICOM SOP Instance. The document may be encoded as an XML document with in-line multimedia content, or may be encoded in a multi-part MIME wrapper (see PS3.10). This type of Directory Record may reference a Lower-Level Directory Entity that includes one or more Directory Records as defined in Table F.4-1.

Table F.5-33. HL7 Structured Document Keys

Key | Tag | Type | Attribute Description
--- | --- | --- | ---
Specific Character Set | (0008,0005) | 1C | Required if an extended or replacement character set is used in one of the keys.
HL7 Instance Identifier | (0040,E001) | 1 | Instance Identifier from the referenced HL7 Structured Document, encoded as a UID (OID or UUID), concatenated with a caret ("^") and Extension value (if Extension is present in Instance Identifier).
HL7 Document Effective Time | (0040,E004) | 1 | Effective Time from the referenced HL7 Structured Document
HL7 Document Type Code Sequence | (0040,E006) | 1C | Document Type Code from the referenced HL7 Structured Document. Only a single Item shall be included in this Sequence. Required if the HL7 Structured Document contains a Document Type Code.
>Include Table 8.8-1 “Code Sequence Macro Attributes” | No BCID defined
Document Title | (0042,0010) | 1C | Document Title from the referenced HL7 Structured Document. Required if the HL7 Structured Document contains a Document Title.

### Note

This directory record points to a CDA document that is stored on this media. The HL7 Document Effective Time and other information can be obtained from the CDA document.

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DICOM PS3.3 2018a - Information Object Definitions