pydicom.datadict.dictionary_VM

pydicom.datadict.dictionary_VM(tag: int | str | tuple[int, int] | BaseTag) → str

Return the VM of the element corresponding to tag.

Only performs the lookup for official DICOM elements.

Parameters:

tag (int or str or Tuple[int, int]) – The tag for the element whose value multiplicity (VM) is being retrieved, in any of the forms accepted by Tag().

Returns:

The VM of the corresponding element.

Return type:

str

Raises:

KeyError – If the tag is not present in the DICOM data dictionary.