6.7: If the patient is already under the care of a psychologist or the patient already has a diagnosis of depression, does the mood screen need to be carried out?

All patients need to be screened to assess mood post-stroke, even if they have already been diagnosed with a mood disorder. 

The 5th National Clinical Guidelines for Stroke recommendations state that:

4.10.1.1A People with stroke with one mood disorder (e.g. depression) should be assessed for others (e.g. anxiety).