DICOM PS3.3 2022c - Information Object Definitions
A.34.16.4.6 Waveform Annotation Module

For Concept Name Code Sequence (0040,A043) in the Waveform Annotation Sequence (0040,B020) DCID 3038 “Pattern Event” and DCID 3039 “Device-related and Environment-related Event” shall be used.

Note

Annotations can be stored either in the Waveform Annotation Module of the waveform to which they apply, or in a separate Structured Report object. The Waveform Annotation Module is only intended for annotations made at the time of acquisition.

DICOM PS3.3 2022c - Information Object Definitions