Abstract: A medical information technology (IT) system includes a plurality of medical information systems storing medical reports in different respective medical information system-specific medical report formats. An integrated diagnostics system includes: a medical report transform operative to transform text of medical reports stored in the different respective system report formats to an integrated diagnostics representation which represents the text of the medical reports as vocabulary category values of a vocabulary of categories; and a plurality of document processing tasks each operative to invoke the medical report transform to transform one or more medical reports processed by the task to the integrated diagnostics representation and to perform the task on the vocabulary category values of the integrated diagnostics representation of the one or more medical reports processed by the task.