In order to comply with New York State Department of Health Regulation 766.11 an annual, or more frequent if necessary, health status assessment to assure that all personnel are free from any health impairment that is of potential risk to the patient, family or to employees or that may interfere with the performance of duties. The assessment shall be of sufficient scope that no person shall assume his/her duties unless he/she is free from a health impairment which is of potential risk to the patient or which might interfere with the performance of his/her duties, including the habituation or addiction to depressants, stimulants, narcotics, alcohol or other drugs or substances which may alter the individual's behavior.