DICOM PS3.3 2020e - Information Object Definitions
A.34.6.4.9 Waveform Annotation Module

For Concept Name Code Sequence (0040,A043) in the Waveform Annotation Sequence (0040,B020) DCID 3337 “Hemodynamic Annotations” shall be used.

DICOM PS3.3 2020e - Information Object Definitions