Levels of Addiction Treatment

Treatment providers usually match people to a level of care using the ASAM Criteria, which look at withdrawal risk, medical and mental health needs, readiness and home environment.

LevelWhat it involvesTypical length
Medical detox24-hour medical monitoring through withdrawal3 to 7 days
ResidentialLive on site, daily therapy28 to 90 days
Partial hospitalization (PHP)About 20 hours a week of treatment, home at night2 to 4 weeks
Intensive outpatient (IOP)9 or more hours a week6 to 12 weeks
Outpatient1 to 2 sessions a weekMonths, as needed

Find treatment near you

Last reviewed 2026-10-06. Facility details come from SAMHSA's FindTreatment.gov locator and facility-provided information. Confirm services, availability and payment directly with the facility.

SAMHSA helpline, 24/7: 1-800-662-4357