O.r. Procedures with Principal Diagnosis of Mental Illness

The "charge" is the hospital's list price — almost nobody pays it. "Total payment" is what the hospital actually received (Medicare plus patient copays and other payers). These figures cover Medicare fee-for-service inpatient stays only.

Source: CMS Medicare Inpatient Hospitals by Provider and Service. A DRG (Diagnosis Related Group) is how Medicare classifies an inpatient stay for payment; the description is Medicare's, not a diagnosis for any individual.