Every level of care, explained in plain language.
Addiction treatment is organized as a continuum: medical detox, residential treatment, partial hospitalization, intensive outpatient, transitional living, and alumni support. Each level differs in structure and supervision, and this guide explains what each one does and how clinicians decide where you should start.
Authored by the MLJ Clinical Team. Reviewed under board-certified psychiatric oversight. Last updated July 2026.
Key Takeaways- Treatment levels form a continuum that gradually returns responsibility to you as stability grows.
- Detox manages the medical risks of withdrawal, while residential treatment addresses the condition itself.
- PHP and IOP are structured outpatient levels that differ mainly in hours per week and daily intensity.
- Placement is a clinical decision based on withdrawal risk, medical and psychiatric needs, and home environment, not on preference alone.
- Most people move through several levels in sequence, and stepping down deliberately protects the progress made at each stage.
The continuum, from detox to alumni support.
Treatment begins wherever the risk is highest. For many people that is withdrawal itself, which is why medically supervised detox comes first: days of round-the-clock monitoring and comfort medication while the body clears the substance. Detox stabilizes you medically, but it does not treat addiction, which is why it is a starting point rather than a program.
From there, residential treatment provides 24-hour structure while the real clinical work begins, typically for 30 to 90 days. In our case that means a six-bed hillside residence in Encino with 1:1 clinical ratios, organized around the Rebuild Method's four pillars of Body, Mind, Life, and Self. As stability grows, care steps down to a partial hospitalization program, then an intensive outpatient program, each returning more of daily life to you while keeping clinical anchors in place.
The final levels are about durability. Transitional living offers a structured, substance-free residence while you rebuild work and routine, and an alumni program keeps you connected to community and support long after formal treatment ends. Recovery outlasts every program, and the continuum is designed to reflect that.
Levels of care compared side by side.
The table below summarizes how the levels differ in setting, intensity, and purpose. Typical durations vary by person, so treat these as orientation rather than a schedule.
| Level of care | Setting | Typical intensity | Primary purpose |
|---|---|---|---|
| Medical detox | Live-in, 24-hour nursing and medical oversight | Continuous monitoring, usually days | Manage withdrawal safely and stabilize the body |
| Residential treatment | Live-in residence with 24-hour structure | Full-time programming, typically 30 to 90 days | Intensive therapy away from triggers and routines |
| PHP | Day treatment, live at home or in supportive housing | Most weekdays, several hours per day | Near-residential intensity with evenings at home |
| IOP | Outpatient sessions around work or school | Several sessions per week, day or evening | Sustained therapy while resuming daily life |
| Transitional living | Structured, substance-free residence | Ongoing, paired with outpatient care | Stable housing and accountability during re-entry |
| Alumni support | Community-based, wherever you live | Ongoing check-ins and events | Long-term connection and relapse prevention |
Two of these comparisons deserve their own pages. If you are weighing the outpatient levels against each other, read our guide to choosing between IOP and PHP. If the question is duration rather than level, see what 30, 60, and 90 day programs actually change.
How clinicians decide where you start.
Placement is not guesswork and it is not sales. Most reputable programs use frameworks aligned with the American Society of Addiction Medicine, which weighs dimensions such as withdrawal risk, medical conditions, psychiatric needs, readiness for change, relapse history, and the safety of your living environment. The recommendation follows from those dimensions, not from what a program happens to offer.
In practice, a few patterns are common. Significant withdrawal risk points to detox first, and our guide on medical detox versus quitting at home explains why that risk should never be dismissed. A co-occurring mental health condition, a home environment where substances are present, or a history of relapse after outpatient care all point toward residential treatment. Strong stability, a safe home, and lower severity point toward PHP or IOP.
If you are unsure whether your situation reaches the residential threshold, our companion guide, Do I Need Residential Treatment?, walks through that specific question honestly.
Moving between levels without losing ground.
Stepping down is a clinical event, not a graduation ceremony. Each transition removes structure, and the plan should name what replaces it: which therapist continues, which medications are managed by whom, what the week looks like on day one of the new level. When those questions are answered before the move, momentum carries forward instead of dissipating.
Movement also runs in both directions, and that is a feature of the system rather than a failure of the person. Someone in IOP who begins struggling can step back up to PHP for a period of steadier support. Catching that early is exactly what the continuum is for.
Because we are a small program licensed by DHCS and accredited by the Joint Commission, transitions here are planned individually rather than processed in batches. If you want help mapping the continuum onto your own situation, the admissions team can walk through it with you, and our full Treatment Guidance library covers the surrounding questions.
This guide is educational and is not a substitute for medical advice. If someone is in immediate danger, call 911.