# pydicom.datadict.dictionary_is_retired

`pydicom.datadict.``dictionary_is_retired`(tag)

  Return `True` if the element corresponding to tag is retired.

  Only performs the lookup for official DICOM elements.

  Parameters: | tag (int) – The tag for the element whose retirement status is being checked.
  Returns: | `True` if the element’s retirement status is ‘Retired’, `False` otherwise.
  Return type: | bool
  Raises: | `KeyError` – If the tag is not present in the DICOM data dictionary.