Multiple Disabilities in IEPs: What It Really Means (and What It Doesn’t!)

If your child is evaluated for an IEP and found eligible, their eligibility will be in one of IDEA eligibility categories. One of the categories is: Multiple Impairments or Multiple Disabilities IEP Eligibility Category. It’s very misunderstood, and I hope to clear up some of the confusion for parents.

The “Multiple Disabilities” (also sometimes called “Multiple Impairments”) IEP eligibility category is defined by IDEA (Individuals with Disabilities Education Act) as a combination of impairments (e.g., intellectual disability with orthopedic impairment) that causes such severe educational needs that they cannot be accommodated in a special education program solely for one of the impairments. The acronym (at least around here) that people use when talking about this category is MDs. That also varies by state or region.

Multiple Impairments

Here’s the exact citation from IDEA’s federal regulations defining the “Multiple Disabilities” eligibility category:

“(7) Multiple disabilities means concomitant impairments (such as intellectual disability‑blindness or intellectual disability‑orthopedic impairment), the combination of which causes such severe educational needs that they cannot be accommodated in special education programs solely for one of the impairments. Multiple disabilities does not include deaf‑blindness.” 34 CFR § 300.8(c)(7)

“Concomitant” means existing or occurring together. Basically, happening at the same time.

So in the context of “concomitant impairments” in IDEA, it refers to a child having two or more disabilities at the same time, and it’s the combination of these disabilities that significantly impacts their education.

• It’s not just having more than one disability. The combination of disabilities must be so significant that the student’s needs can’t be met under any one single disability category.
• It excludes deaf-blindness, which is its own separate category.
• The IEP team must determine that the student requires extensive, ongoing support across multiple domains (academic, behavioral, functional, etc.) due to these combined impairments.

This category is often used for students who need a more integrated and coordinated set of services, including potentially a self-contained classroom, related services like OT/PT, assistive technology, and life skills instruction.

Are MDs Students Always in Self Contained?

Multiple Disabilities (MDs) does not always mean a self-contained classroom—but it often does, depending on the severity and complexity of the student’s needs.

The label “Multiple Disabilities” under IDEA means the student has significant educational needs that result from more than one disability. However, placement decisions, including whether a student is in a self-contained classroom, are not determined by the label. They’re supposed to be based on the student’s unique needs and the Least Restrictive Environment (LRE) requirement.

Here’s the truth:

• Many students with MDs do need intensive support in multiple areas (academics, communication, mobility, self-care), which may make a self-contained setting appropriate.
• But some students with MDs can be served in inclusive settings with proper supports, aides, assistive tech, or accommodations.

If the school says “MDs automatically means self-contained,” that’s a red flag. Placement must be an IEP team decision based on data, not label-based assumptions.

Multiple Disabilities (MDs) does not always mean life skills programming.

That’s another common myth schools like to roll out—“Oh, they have MDs, so they must be on a life skills track.” But IDEA doesn’t say that. The IEP team must create a program based on individual needs, not just the eligibility category.

Now yes, many students with MDs do need functional or adaptive skills instruction (like communication, toileting, mobility, etc.), which might fall under “life skills.” But that doesn’t mean:

• They can’t be included in general education for parts of the day.
• They don’t have academic goals.
• Or they can’t eventually work, live semi-independently, or attend college or vocational programs.

So: Life skills might be part of the picture. But the label doesn’t dictate the program—the needs do.

Does IDD have to be one of the disabilities?

In some states, yes. IDEA does not require this, but some states do.

Under IDEA, the federal definition of MDs does not require intellectual disability—it simply gives it as an example:

“concomitant impairments (such as intellectual disability‑blindness or intellectual disability‑orthopedic impairment)….”

But IDEA also clarifies that this is just an example. States have the authority to add additional criteria or clarity below that federal minimum. Indiana specifically defines MDs as “coexisting disabilities, one of which must be a significant intellectual disability.”

If your state requires ID as one of the disabilities, then a child with two other impairments (like autism + orthopedic impairment) but without intellectual disability, might not qualify under MDs in your state. That doesn’t mean they don’t deserve support. It means your team should consider alternate eligibility categories or clarify the state’s rules in a parent–school meeting.

What You Can Do

1. Check your state’s special education code/regulations for the exact MD definition.
2. If intellectual disability is required and your child doesn’t meet that, your IEP team should not use the MD label.
3. Instead, consider dual eligibility (two separate categories) or another category that better fits their needs.
4. You can push back by quoting your state’s regulation when the school tries to apply MDs incorrectly.

Why choose multiple disability, instead of just more categories?

If a child has multiple disabilities (my son has IDD and autism), why should we consider MDS as his category, instead of just IDD and/or autism?

Potential Benefits of Using MDs

1. Integrated Services: MDs allows for a more holistic IEP approach. If your child’s needs can’t be separated neatly by category (like speech goals for autism and mobility for CP), MDs can help the team treat the whole child, not just parts.
2. More Support Services: Some districts may trigger more or specialized supports when MDs is selected, because it’s understood the student has complex, layered needs.
3. Access to Programs: MDs eligibility may grant access to specialized programs or classrooms designed for children with significant needs if that’s appropriate. (Of course, that can be a downside if the placement isn’t a good fit.)
4. Simplified Paperwork: Instead of juggling two (or more) separate disability labels, MDs can consolidate into one category, which may reduce confusion in documentation, eligibility, and service planning.

But There Are Drawbacks Too

1. Risk of Over-Placement: Some schools automatically assume MD = self-contained + life skills + low expectations. You have to advocate hard to keep the placement and goals individualized.
2. Fewer Academic Goals: MDs may come with the bias that academics aren’t a priority. You’ll need to be specific and firm if your child is capable of general ed curriculum participation with support.
3. State Differences: If your state requires one of the impairments to be intellectual disability (and your child doesn’t meet that), the label may be applied incorrectly, or it might not apply at all.

Use “Multiple Disabilities” if:

• Your child’s needs from two or more impairments are deeply intertwined.
• Services need to be planned as a whole, not in silos.
• You’re prepared to push back on assumptions about placement and ability.

Stick with dual eligibility if:

• Your state or team interprets MDs as “low expectations, life skills only.”
• Your child’s impairments are distinct and don’t interact much (e.g. hearing loss + ADHD).

Eligibility is NOT supposed to drive services. IDEA is very clear on this.

Here’s the hierarchy:

1. Present Levels of Performance (PLOP)
2. → drive the IEP Goals
3. → which drive the Services and Placement
4. → and only then do you consider eligibility labels to explain why the IEP is needed

In other words: The child’s unique needs—not their label—should determine everything in the IEP.

So if the school says something like:

• “We can’t give that service unless they qualify under [insert label here],”
• or “They can’t get that unless they’re MDs…”
• That’s a violation of FAPE and the IDEA process.

You can push back with:

“IDEA requires that services be based on my child’s individual needs, not their eligibility category. Can we focus on what the data and evaluations show they need?”