The following link lists the DICOM fields that are affected during the anonymization process. This list is based on the DICOM Standard (Confidentiality Profiles, Part 15, Chapter E).
DICOM Conformance Statement for Anonymization
Anonymization Operations
Dummy value: Replaces the attribute value with a placeholder value
Zero: Replaces the attribute value with an empty (zero-length) value
Generate UID: Tricefy generates a random UID to replace with
Clean: Replaces the attribute value with a value of similar meaning
Delete: Removes the attribute from the dataset
Tags not included in the DICOM Conformance Statement are completely removed during anonymization. This would include private tags and any unrecognized tags.