Allows a flag to be divided into different categories like clinical, administrative etc. Intended to be used as a means of filtering which flags are displayed to particular user or in a given context. Enumerations dietFlags related to the subject's dietary needs. drugFlags related to the subject's medications. labFlags related to performing laboratory tests and related processes (e.g. phlebotomy). adminFlags related to administrative and financial processes. contactFlags related to coming into contact with the patient. clinicalFlags related to the subject's clinical data. behavioralFlags related to behavior. researchFlags related to research. advance-directiveFlags related to subject's advance directives. safetyFlags related to safety precautions.