average cost of a stay on mental health hospital
MHSA hospital stays cost $9.7 billion in 2008 or 2.7 percent of all inpatient community hospital costs. Average Cost for Hospital Stay: MH and SA hospitalizations are, on average, less expensive than non-MHSA stays: 1  $5,700 per MH stay.2  $4,600 per SA stay.HSA Length of Stay: Hospital lengths of stay for mental health or substance abuse disorders also vary considerably, especially for mental health-related admissions. Nationwide, the MH average length of stay is 8.0 days. At a state level, the average MH length of stay ranges widely, from 4.0 to 14.0 days.