This information contributes significantly to your plan of care, especially for determining the need for and type(s) of additional services and the potential length of the home care episode. Consider that the teaching needs of a patient with altered levels of alertness,orientation, comprehension, concentration, or immediate memory for simple commands will be far different from those of an alert person who is able to focus and shift attention. The OASIS item does not provide a place to record details about your assessment of mentation. You'll need to document such information in the clinical record in the appropriate places.