IOP (intensive outpatient program)
An intensive outpatient program (IOP) is structured treatment for substance use or mental health disorders that meets several times a week, commonly for nine or more hours in total, while the patient keeps living at home.
Also called intensive outpatient, intensive outpatient treatment
- Last reviewed
- 2 sources, linked
- 4 related terms
What it means
IOP is Level 2.1 in the ASAM Criteria. It is a common step down from residential care or PHP, and a starting point for people who do not need round-the-clock care. Many programs offer day and evening tracks so people can keep working or studying.
Medicare began paying for intensive outpatient services in 2024 under its calendar year 2024 outpatient payment rule, in hospital outpatient departments, community mental health centers, federally qualified health centers, rural health clinics and, for opioid use disorder, opioid treatment programs. A physician has to determine that the patient needs at least nine hours of services a week.
Why it matters for your website
IOP families are fitting treatment around work and school, so the schedule is the content. Publish the days and clock times for each track, the typical length in weeks, how soon someone can start and how family sessions work.
If you run an evening track, name it in the page title and on the first screen. For a working adult it is often the deciding detail.
Sources
The facts on this page about a law, a regulator, a clinical standard or a platform come from these sources. Each link opens the original in a new tab.
- Centers for Medicare & Medicaid ServicesCY 2024 Hospital Outpatient Prospective Payment System final rule fact sheet (CMS-1786-FC) (opens in a new tab)
- Los Angeles County Department of Public Health, SAPCASAM Criteria 4th Edition Implementation (levels of care and dimensions) (opens in a new tab)
Last reviewed
This entry explains a clinical term so you can describe your care accurately on your website. It is not medical advice, and clinical decisions belong with your clinical team.
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