90791 PSYCHIATRIC DIAGNOSTIC INTERVIEW: COMPLETE HISTORY, ESTABLISHMENT OF A TENTATIVE DIAGNOSIS AND EVALUATION OF PATIENT’S ABILITY AND WILLINGNESS TO WORK TO SOLVE THEIR MENTAL PROBLEM. INCLUDES A COMPLETE MENTAL STATUS EXAM. COVERED ONCE AT THE OUTSET OF AN ILLNESS. MAY BE BILLED AGAIN IF A NEW EPISODE OF ILLNESS OCCURS AFTER A HIATUS. 
Can include review and studies of diagnostic studies as needed and make recommendations including communication with family members and/or other sources.

90832 INDIVIDUAL PSYCHOTHERAPY, INSIGHT ORIENTED, BEHAVIOR MODIFYING AND/OR SUPPORTIVE 
Psychotherapy, 30 minutes with patient and/or family member. (16 - 37 minutes). “Psychotherapy can never be shorter than 16 minutes” (AMA). Must be 16 minutes or more face-to-face with patient and or family.

90834 INDIVIDUAL PSYCHOTHERAPY, INSIGHT ORIENTED, BEHAVIOR MODIFYING AND/OR SUPPORTIVE, IN AN OFFICE OR OUTPATIENT FACILITY. 
Psychotherapy, 45 minutes with patient and/or family member. (38 -52 minutes)’

90837 INDIVIDUAL PSYCHOTHERAPY, INSIGHT ORIENTED, BEHAVIOR MODIFYING AND/OR SUPPORTIVE, IN AN OFFICE OR OUTPATIENT FACILITY. 
Psychotherapy, 60 minutes with patient and/or family member. (53+ minutes)

90846 FAMILY PSYCHOTHERAPY (WITHOUT PATIENT PRESENT) IS COVERED WHEN THE PRIMARY PURPOSE IS TREATMENT OF THE PATIENT’S CONDITION. EFFORTS ARE FOR THE BENEFIT OF THE PATIENT, NOT ASSISTING FAMILY MEMBER IN UNDERSTANDING PATIENT PROBLEM.

90847 FAMILY PSYCHOTHERAPY (WITH PATIENT PRESENT) IS COVERED WHEN THE PRIMARY PURPOSE IS TREATMENT OF THE PATIENT’S CONDITION. EFFORTS ARE FOR THE BENEFIT OF THE PATIENT.