Diagnoses provide an ongoing list of diagnosis codes for the student along with a status, onset date and resolution date. Active diagnoses are automatically added as diagnosis codes on a new session for the student. Note: ICD-9 diagnoses will only be automatically added for sessions with a date of service prior to October 1, 2015 and ICD-10 diagnoses will only be automatically added for sessions with a date of service on/after October 1, 2015.