Making the world better, one answer at a time. The Brief Interview for Mental Status or BIMS is a test given by medical professionals that helps determine a patient's cognitive understanding. A BIMS score of 13-15 indicates cognitively intact, 08-12 indicates moderately impaired, and 00-07 indicates severe impairment. The Brief Interview for Mental Status or BIMS is a test given by medical professionals that helps determine a patient's cognitive understanding.