DICOM PS3.20 2019a - Imaging Reports using HL7 Clinical Document Architecture

10.2.2 text/reference and Related Narrative Block Markup

The substanceAdministration entry SHOULD include a text/reference element, whose value attribute SHALL begin with a '#' and SHALL point to its corresponding narrative in the parent section (using the approach defined in CDA Release 2, section 4.3.5.1). See Section 9.1.1.1.

DICOM PS3.20 2019a - Imaging Reports using HL7 Clinical Document Architecture