Intensive Outpatient Program (IOP)
Table of content
- What is an intensive outpatient program (IOP)?
- How does an intensive outpatient program work?
- What should you expect in an intensive outpatient program?
- Who is an intensive outpatient program (IOP) for?
- What are the admission requirements for an intensive outpatient program?
- What types of therapy are used in an IOP?
- Are intensive outpatient program (IOP) and partial hospitalization program (PHP) the same?
- What is the difference between intensive outpatient program and inpatient treatment?
- How effective is an intensive outpatient program?
- How much does an intensive outpatient program typically cost?
- How long does an intensive outpatient program typically last?

Intensive outpatient program (IOP) is a highly structured treatment approach aimed at individuals struggling with substance abuse and mental health challenges. IOP provides counseling, education, and skill-building sessions that address both drug addiction-related and mental health concerns. It is meant for patients with stable psychiatric or medical conditions. IOPs enable participants to live at home and continue their daily responsibilities, such as work or school while receiving focused and comprehensive care.
Intensive outpatient program (IOP) works by offering scheduled treatment through therapy sessions. The therapy sessions occur several times weekly, combining individual and group counseling, family education, and case management. Adults are required to attend at least 9 hours of therapy per week, while adolescents need to attend 6 hours to support effective recovery.
Types of therapies used in an intensive outpatient program (IOP) include individual, group, family therapy, cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), 12-step approach, educational, occupational, recreational, eye movement desensitization and reprocessing (EMDR), mindfulness-based stress reduction (MBSR), and specialized therapies such as art therapy, movement therapy, and motivational enhancement therapy.
What is an intensive outpatient program (IOP)?
An intensive outpatient program (IOP) is a type of structured and non-residential treatment program that addresses both mental health disorders and substance use disorders. It is designed for individuals who need more support than traditional outpatient therapy but does not require 24-hour monitoring.
IOP allows patients to live at home while attending several hours of weekly therapy and counseling sessions for addiction treatment. IOP is often used as a step-down level of care following a residential treatment center (RTC) or partial hospitalization program (PHP), providing continued support and structured therapy while allowing patients to resume more daily activities, such as attending office or school.
According to Chapter 3. “Intensive Outpatient Treatment and the Continuum of Care” in the book Substance Abuse: Clinical Issues in Intensive Outpatient Treatment published by Substance Abuse and Mental Health Services Administration (SAMHSA) (US)Treatment Improvement Protocol (TIP) Series, No. 47 in 2006, IOP was considered an intermediate level of care with a wide range of services. This program by nature is adaptable making it well-suited to address the different needs of people.
How does an intensive outpatient program work?

Intensive outpatient program (IOP) works by providing treatment services to patients from the comfort of their homes while managing responsibilities. IOPs typically involve a flexible schedule where patients attend treatment sessions several days a week for a few hours each day for their addiction treatment or mental health issues. This arrangement enables patients to receive focused, intensive care while continuing with their day-to-day activities.
IOP treatment typically follows a multidisciplinary approach, incorporating essential services such as individual counseling, group therapy, family education, and case management to ensure comprehensive support for the patient’s recovery.
Additionally, IOP programs offer internal services such as peer support, encouraging participation in mutual aid groups, and working with local community providers to access necessary resources like psychological evaluations, vocational rehabilitation, medication-assisted treatment, and trauma-focused care.
According to the manual titled “Clinical Issues in Intensive Outpatient Treatment for Substance Use Disorders” published by the SAMHSA Substance Abuse and Mental Health Services Administration Advisory in 2021, adults in an IOP treatment participate in at least 9 hours of therapy each week, while adolescents receive a minimum of 6 hours of therapy per week. This structured schedule provides the necessary support for effective substance use and mental health treatment.
What is the typical treatment schedule of an intensive outpatient program?
The typical treatment schedule of an intensive outpatient program (IOP) involves attending therapy several days a week, with sessions lasting a few hours per day. Chapter 3. “Intensive Outpatient Treatment and the Continuum of Care” in the book Substance Abuse: Clinical Issues in Intensive Outpatient Treatment published by Substance Abuse and Mental Health Services Administration (SAMHSA) (US) Treatment Improvement Protocol (TIP) Series, No. 47 in 2006, highlighted that state regulations mandate a minimum of 9 treatment hours per week for adults in IOP, similar to the American Society of Addiction Medicine (ASAM). This program is typically spread across 3 to 5 days. However, certain programs offer fewer hours depending on individual needs.
IOP is offered in various settings, such as hospitals, prisons, or community-based facilities. The specific services provided vary depending on the program’s location and focus. Certain programs offer additional services like medical detoxification and pharmacotherapy, while others focus on linking individuals with community resources like vocational training and homeless shelters.
IOPs are typically organized into sequential stages, where the intensity of treatment gradually decreases as individuals progress through their recovery. The primary objective is to provide individuals with the necessary skills and support to achieve and maintain independent recovery.
The IOP process begins with treatment engagement, where the focus is on stabilizing individuals, building trust, and developing an individualized treatment plan. In the next stage of early recovery, individuals concentrate on developing essential recovery skills, managing potential relapses, and establishing a substance-free lifestyle.
As an individual’s health improves, the transition from IOP to traditional outpatient treatment becomes essential for sustained recovery. A smooth transition is key, and IOP works closely with individuals to create a well-defined transition plan. This involves maintaining strong relationships with community-based providers and ensuring that individuals are transferred to outpatient programs with treatment models compatible with their needs, allowing for continuity of care and long-term success.
Is detox part of an intensive outpatient program?
No, detox is not a part of an intensive outpatient program (IOP). Detox is a higher level of care that involves 24-hour medically assisted supervision, support, and treatment for individuals experiencing acute withdrawal symptoms. It ensures the safe management of acute physical symptoms that occur when substance use consumption is stopped. In contrast, IOP is a lower level of care intended for individuals who have completed detox and are able to engage in structured therapy, counseling, and support sessions while living at home or in sober living environments. Typically detox precedes IOP, preparing individuals for ongoing treatment in less intensive settings.
Chapter 2 “Settings, Levels of Care, and Patient Placement” published in the Detoxification and Substance Abuse Treatment Substance Abuse and Mental Health Services Administration (SAMHSA) Treatment Improvement Protocol (TIP) Series, No. 45 in 2006, explained that drug detox typically occurs in inpatient settings such as hospitals or dedicated detox centers. For example, alcohol detoxification focuses on medically supervised care to manage acute withdrawal symptoms, providing a short-term but critical intervention.
In contrast, IOP represents a lower level of care designed for individuals who have stabilized after detox or do not require constant medical supervision. IOP emphasizes ongoing recovery and relapse prevention through structured therapy and support, enabling patients to live at home while receiving treatment. This makes IOP a longer-term process, often following detox, which serves as the initial step in the continuum of care.
What should you expect in an intensive outpatient program?

In an intensive outpatient program (IOP), you should expect a structured yet flexible approach to treatment, offering focused, and time-bounded therapy.
IOP sessions usually consist of a combination of individual and group therapy. These sessions help individuals develop coping strategies to manage emotional or behavioral challenges. Group therapy provides a space for shared experiences and peer support, while individual therapy allows for a personalized treatment plan.
For those taking psychiatric medications, regular meetings with a psychiatrist for medication management and assessments are typically included in the program. This ensures that psychiatric needs are being monitored and adjusted as necessary.
In addition to core therapies, certain IOPs offer access to alternative therapies, such as eye movement desensitization and reprocessing (EMDR), or transcranial magnetic stimulation (TMS). Other programs include holistic or experiential therapies, including equine therapy, yoga therapy, or meditation practices, providing a more comprehensive approach to healing.
A key feature of IOPs is the emphasis on developing practical, real-world coping skills. As individuals continue living at home during treatment, they immediately apply the strategies learned in therapy to their daily lives. IOPs often work to ensure a smooth transition to outpatient care once the program is completed and ensure ongoing support for long-term recovery.
Who is an intensive outpatient program (IOP) for?
An intensive outpatient program (IOP) is for people who need more support than traditional outpatient therapy, but do not require constant monitoring or supervision. It’s suitable for those who are stable enough to manage daily activities such as bathing, brushing, or changing clothes, and who have access to transportation, and a stable, supportive living environment. It includes people who have completed an inpatient program, are at minimal risk of acute withdrawal, and have manageable health conditions, as well as those who have mild psychological symptoms or treatable emotional and behavioral conditions. IOP is ideal for those who don’t require 24-hour monitoring and care but need ongoing support to prevent relapse.
IOPs are used to step up from outpatient therapy or step down from residential treatment as outlined in Chapter 3 “Intensive Outpatient Treatment and the Continuum of Care” in the book Substance Abuse: Clinical Issues in Intensive Outpatient Treatment published by Substance Abuse and Mental Health Services Administration (US)Treatment Improvement Protocol (TIP) Series, No. 47 in 2006. To benefit from IOP, individuals need to be motivated to recover, willing to learn new skills, and have a positive attitude towards treatment.
What are the admission requirements for an intensive outpatient program?
The American Society of Addiction Medicine (ASAM) has outlined six comprehensive dimensions under level II: intensive outpatient program (IOP) to determine the criteria for patient admission, readmission, and eligibility. The admission requirements for an intensive outpatient program are listed below.
- Acute intoxication or withdrawal risk: Patients are not at risk of acute withdrawal; mild symptoms are manageable as long as they don’t interfere with treatment.
- Biomedical conditions: Stable medical conditions that do not hinder substance use treatment are acceptable.
- Emotional, behavioral, or cognitive conditions: Mild to moderate mental health issues are present that are manageable with monitoring, especially in dual diagnosis programs.
- Readiness to change: Patients need to be open to treatment, though they need regular motivational support.
- Relapse or continued care risk: Patients with worsening substance use problems despite prior involvement in less intensive care are acceptable.
- Recovery environment: A non-supportive home environment warrants the structure and support offered by IOP.
Is an IOP covered by insurance?
Yes, an IOP is covered by insurance, though the extent of coverage varies depending on the individual’s insurance plan and provider. Most major insurance companies, both public and private, provide coverage for mental health and substance use treatments, including IOPs.
Leveraging insurance significantly reduces out-of-pocket expenses, making essential treatment more affordable. However, many insurance plans impose limits on the duration of IOP coverage, so it’s essential to verify restrictions with the provider. Before beginning treatment, contacting the IOP to discuss costs and accepted insurance plans is important. The billing department typically assists with paperwork and ensures benefits are maximized.
What types of therapy are used in an IOP?

The types of therapy used in an IOP are listed below.
- Individual therapy: Individual therapy in IOP involves one-on-one sessions with a therapist to address personal challenges related to addiction or mental health. It allows for a personalized approach, helping individuals identify triggers, develop coping mechanisms, and set personal goals for recovery.
- Group therapy: Group therapy is one of the types of therapy in IOP that provides participants with the opportunity to interact with peers facing similar challenges, creating a supportive environment that reduces feelings of isolation. Through shared experiences, participants gain new perspectives, encouragement, and emotional support. Group therapy focuses on teaching communication skills and fostering a sense of community, both of which are significant for maintaining long-term recovery.
- Family therapy: Family therapy involves the patient’s family or significant others in the recovery process. This type of therapy helps improve communication, resolve conflicts, and rebuild trust within the family unit. By involving the family, IOPs create a supportive environment at home, which is vital for the patient’s recovery. Family therapy educates family members about addiction and mental health to foster understanding and support.
- Cognitive behavioral therapy (CBT): CBT in IOP helps individuals recognize and change negative thought patterns and behaviors related to addiction or mental health issues. It emphasizes teaching skills that help individuals recognize and minimize relapse risk by equipping them with practical strategies to manage triggers and stress, promoting healthier habits and long-term recovery.
- Dialectical behavior therapy (DBT): DBT, is a structured therapeutic approach, commonly used in IOPs to treat individuals with emotional dysregulation and co-occurring mental health conditions, such as borderline personality disorder. In IOP, DBT teaches skills in mindfulness, emotion regulation, distress tolerance, and interpersonal effectiveness through group sessions and individual therapy.
- 12-step approach: In IOP which uses the 12-step approach, the focus is on helping individuals understand and apply the principles of Alcoholics Anonymous (AA), Narcotics Anonymous (NA), or Cocaine Anonymous (CA). These programs guide individuals through the 12 steps, aiming for abstinence and long-term engagement in recovery groups. Individuals participate in educational activities such as reading 12-step literature, journaling, and personalizing the steps.
- Educational group therapy: Educational sessions in IOP are designed to provide patients with essential knowledge about addiction, mental health issues, and coping strategies. These groups cover topics like understanding substance use disorders, the effects of drugs and alcohol on the body, relapse prevention techniques, and managing stress. By offering this education, IOPs aim to empower individuals with the tools and insights needed to make informed choices, build healthier habits, and maintain long-term recovery.
- Occupational and recreational therapy: These therapies are the key components of IOP aimed at improving life skills and introducing healthy, productive activities into the patient’s routine. Occupational therapy involves developing vocational skills, while recreational therapy includes activities like art, sports, or outdoor recreation. By incorporating these therapies, IOPs encourage patients to build a balanced lifestyle, enhancing their overall well-being and reducing the risk of relapse.
- Eye movement desensitization and reprocessing (EMDR) therapy: EMDR is a therapeutic technique within IOP that helps individuals process and resolve traumatic memories contributing to mental health or substance use issues. By focusing on distressing memories and following specific eye movements such as moving their eyes back and forth, patients reduce the emotional intensity of those memories. This approach allows individuals to address trauma-related symptoms while maintaining their daily routines, supporting long-term recovery, and reducing the likelihood of relapse due to unresolved trauma.
- Mindfulness-based stress reduction (MBSR): MBSR is a valuable component of IOP, particularly for individuals recovering from addiction. MBSR helps individuals become more aware of their present thoughts, emotions, and physical sensations without judgment, fostering a sense of calm and emotional regulation. In IOP settings, MBSR is used to manage stress, a critical factor in preventing relapse. In a research article “A randomised controlled trial of mindfulness-based stress reduction programme for substance abuse patients in deaddiction centre” authored by Solomon et al. published in the Indian Journal of Physiology and Pharmacology in 2022, the study highlights the effectiveness of MBSR in preventing relapse in people recovering from addiction. IOPs help participants build self-awareness and emotional control, which are critical for maintaining sobriety and preventing relapse.
- Specialized therapies: Certain IOPs offer additional therapies such as art therapy, movement therapy, and motivational enhancement therapy. These alternative methods help patients express emotions, reduce stress, and stay motivated throughout their recovery. Motivational enhancement, in particular, focuses on helping individuals resolve ambivalence about their recovery and build commitment to treatment.
Is group therapy part of an IOP?
Yes, group therapy is an important part of an IOP as it primarily focuses on group counseling and activities as their main treatment approach, incorporating psychoeducation, skill-building, and process groups. Common group topics include early recovery skills, mindfulness-based relapse prevention, motivation and stages of change, 12-step facilitation, family dynamics of addiction, living with chronic conditions, relapse prevention, assertiveness, and cognitive or problem-solving skills. Certain programs offer family psychoeducation.
Group therapy for drug addiction treatment helps reduce feelings of isolation and stigma, fostering effective communication, and helping participants practice coping strategies. According to the manual titled “Clinical Issues in Intensive Outpatient Treatment for Substance Use Disorders” published in the Substance Abuse and Mental Health Services Administration SAMHSA Advisory in 2021, it provides a structured environment where individuals learn recovery strategies, enhance interpersonal skills, and build social support networks. Typically, group therapy involves 6 to 12 participants, facilitated by one or two therapists. It plays a significant role across the continuum of care, including settings such as hospital-based units, outpatient, and intensive outpatient programs.
Are intensive outpatient program (IOP) and partial hospitalization program (PHP) the same?
No, intensive outpatient program (IOP) and partial hospitalization programs (PHP) are not the same due to the difference in the intensity of care and time commitment. However, they share similarities in providing structured care for mental health and substance use disorders.
PHP in addiction treatment is a hospital-based outpatient option where patients receive intensive care during the day but return home at night. PHPs offer a highly structured environment with greater medical and psychiatric supervision, making them ideal for individuals with more severe symptoms or co-occurring disorders. In PHP, patients receive frequent medical monitoring and medication adjustments, providing continuous care and support throughout the day. IOPs, on the other hand, provide flexibility for individuals to live at home and maintain daily responsibilities while still participating in structured therapy and skill-building.
Typically patients attend PHP treatment 5-7 days per week for 4-6 hours per day. In contrast, IOPs are less intensive, with sessions spread over 3-5 days per week, lasting 2-4 hours per session. IOP provides flexibility to manage daily tasks while attending therapy.
Cost is another distinguishing factor as PHPs tend to be more expensive due to the intensity of care and the extended hours of treatment, whereas IOPs are generally more affordable, with fewer weekly hours and less need for medical oversight. PHPs are better suited for those requiring more intensive care, while IOPs are ideal for individuals who need support but are stable enough to manage their symptoms with less continuous supervision. Both programs offer effective treatment tailored to different stages of recovery.
What is the difference between intensive outpatient program and inpatient treatment?
The difference between intensive outpatient program (IOP) and inpatient treatment lies in the intensity of care, living arrangements for the patient, and the level of care.
The research article “Patient Placement Criteria” by Leslie C. Morey published in the journal Alcohol Health and Research World in 1996, outlines the classification as given by the American Society of Addiction Medicine (ASAM). According to ASAM, IOP falls under Level II care, which offers structured treatment sessions for a minimum of 9 hours per week. This allows patients to continue living at home and engage with their everyday surroundings. IOP is best suited for individuals with a lower risk of withdrawal, manageable biomedical or emotional conditions, and a moderate chance of relapse, as it provides regular therapeutic contact without requiring 24-hour care.
In contrast, ASAM defines inpatient treatment, which is classified as Level III (medically monitored) and Level IV (medically managed) care, and offers round-the-clock supervision in residential addiction treatment or hospital settings. This level of care is intended for patients facing more serious risks, such as severe withdrawal, complex medical conditions, or psychiatric issues that require constant monitoring. Inpatient treatment is recommended for those with a high risk of relapse or a lack of supportive recovery environments where outpatient care has not been effective.
Inpatient treatment requires individuals to reside full-time at a facility that offers 24-hour medical supervision and a highly structured environment ideal for those with severe conditions needing constant support. In contrast, IOPs allow patients to live at home while attending intensive therapy sessions multiple times a week as outlined in Chapter 3 “Intensive Outpatient Treatment and the Continuum of Care” in the book Substance Abuse: Clinical Issues in Intensive Outpatient Treatment published by Substance Abuse and Mental Health Services Administration (SAMHSA) (US)Treatment Improvement Protocol (TIP) Series, No. 47 in 2006. IOP serves as a step-down level of care for individuals moving from an inpatient or residential facility, offering patients the flexibility to manage everyday responsibilities like work, school, or family commitments.
From a cost perspective, IOPs are generally more cost-effective as compared to inpatient treatment programs due to lower overhead costs. This is because patients do not require housing and round-the-clock care. Reduced costs make IOPs more accessible for individuals who are not able to afford inpatient treatment, without compromising the quality of care.
How effective is an intensive outpatient program?
50-70% of intensive outpatient programs (IOP) are found to be effective, as evidenced in the research article titled “Substance Abuse Intensive Outpatient Programs: Assessing the Evidence” by Dennis McCarty et al. published in the journal Psychiatric Services: a Journal of the American Psychiatric Association in 2014. The article highlights the importance of IOPs as an important part of substance abuse treatment, emphasizing that they are equally effective as inpatient programs for many people.
The study titled “Clinical Effectiveness of an Intensive Outpatient Program for Integrated Treatment of Comorbid Substance Abuse and Mental Health Disorders” by Laura E. Watkins et al. published in the journal Cognitive and Behavioral Practice in 2023, highlights the substantial effectiveness of IOPs in treating individuals with both substance use and mental health disorders. This research focused on a two-week IOP using cognitive behavioral therapy (CBT) for veterans and service members suffering from conditions such as post-traumatic stress disorder (PTSD) and depression. The findings revealed significant reductions in substance use, PTSD, and depression symptoms among participants, along with a high retention rate of 91%, demonstrating strong patient engagement.
How much does an intensive outpatient program typically cost?

An intensive outpatient program cost typically varies depending on factors such as location, services provided, and duration of the program. According to an article titled “Average Cost of Drug Rehab” published by the National Center for Drug Abuse Statistics, the average episode costs $3,582 while $4,939 is the average episode cost when adjusted for inflation. The publication indicates that IOP for alcohol addiction in private care facilities costs between $500 to $650 per day, which totals $15,000 to $19,500 for a 30-day program and $42,000 to $54,600 for 12 weeks. These figures reflect the significant range in pricing depending on whether the treatment is conducted in a more affordable setting or a premium facility with specialized care.
The cost of rehabilitation treatment depends on several other factors, including the individual’s health insurance plan, the type of rehab center, and the intensity of care needed. State-run facilities are generally the most affordable, sometimes offering free treatment, but often have longer wait times and fewer program options compared to private facilities. Additionally, the duration of the treatment program substantially increases the overall fee, especially if a longer stay is required, such as 30, 60, or more than 90 days.
How long does an intensive outpatient program typically last?
An intensive outpatient program typically lasts for approximately 12 weeks as evidenced in the “Treatment Episode Data Set (TEDS) 2019 (Revised) Admissions to and Discharges From Publicly Funded Substance Use Treatment” published by the Department of Health and Human Services Substance Abuse and Mental Health Services Administration (SAMHSA) in 2019. The median length of stay for individuals aged 18 years and older is found to be 81 days.
This time frame allows for intensive support while still enabling individuals to continue with their daily responsibilities, such as work or school. The length of treatment is extended based on the patient’s progress, with certain programs offering flexible schedules to accommodate varying needs.

