Coral Care content is reviewed and approved by our clinical professionals so you you know you're getting verified advice.
Find effective support for developmental delays, quickly.
Concerned about your child's development?
Our free screener offers guidance and connects you with the right providers to support your child's journey.
Reviewed by Lindy Myers, M.S., CCC-SLP, Clinical Lead at Coral Care
Key takeaways
- Evaluation waitlists for autism and ADHD commonly run 3 to 12 months, depending on your state and the type of evaluator.
- You do not need to wait for an evaluation to start supporting your child's development at home or to get help from a licensed pediatric therapist.
- Getting on multiple waitlists at once, requesting a cancellation list, and starting a private evaluation in parallel with a public one are all reasonable, common strategies.
- If your child is under 3, contact your state's Early Intervention program directly. Evaluation there is typically faster and free.
Why the wait is so long
Developmental and neuropsychological evaluations are done by a small pool of specialists relative to demand: developmental pediatricians, child psychologists, and neuropsychologists. In many states, a first available appointment for a comprehensive autism or ADHD evaluation runs anywhere from three months to well over a year. That gap between "something might be going on" and "we have an answer" is one of the hardest parts of this process for a family, and it deserves real acknowledgment: waiting does not mean you are wrong to be concerned, and it does not mean nothing can be done in the meantime.
What to do while you wait
1. Get on more than one list
Ask your pediatrician for two or three referral options, not one, and call all of them the same week. Ask each office directly whether they keep a cancellation or waitlist-jump list, and ask to be added. Waitlist positions move more than people expect, especially heading into summer and around the school year.
2. Start with Early Intervention if your child is under 3
If your child is under 36 months, you can refer your child to your state's Early Intervention (EI) program yourself, without a diagnosis or a doctor's referral. EI evaluations are typically completed faster than a private developmental or neuropsych evaluation. Federal law gives your state 45 days from your referral to evaluate your child, decide whether they qualify, and, if they do, sit down with you to write a plan for services — months, not a year.
The evaluation itself is free everywhere, under federal law. What the services cost afterward depends on where you live: some states provide them at no charge, others use a sliding scale based on income or bill your insurance. Ask that question directly when you call, so you know what you're working with — it's a fair question and they're used to it.
If your child qualifies, services like speech, OT, or PT can start while you stay on the waitlist for a separate diagnostic evaluation. One doesn't cancel out the other.
One timing note: EI eligibility ends at your child's third birthday. If they're already 2½ or older, call now, and also contact your local school district, since that's where services transition to at age 3.
3. If your child is 3 or older, ask your school district for an evaluation
Early Intervention ends at the third birthday, but a parallel free option opens up: your local public school district is required to evaluate any child who may need special education services, starting at age 3. That includes kids who aren't in public school yet — preschoolers, kids in private programs, kids at home. The district you live in is still the one that has to do it.
Like EI, you can start this yourself, and you don't need a diagnosis to do it.
Put the request in writing. Email or a letter both work, sent to the district's special education director or your school's principal, with the date on it, saying that you're requesting an evaluation for special education eligibility and briefly what you're concerned about. It doesn't need to be long or formal. Keep a copy — the written date matters because it's what starts the district's legal clock. Asking a teacher in the hallway does not.
From there the district has a set window to respond and get your consent, and then a set window to complete the evaluation. The exact number of days varies by state, so ask them to tell you the timeline in writing when they respond.
Two things worth knowing going in. School eligibility is not the same as a medical diagnosis, even when it sounds like it — a school team can determine that your child meets the educational criteria for autism, which is a finding about what they need at school, not a diagnosis you can bring to your insurance company. Kids qualify for one and not the other in both directions, all the time. If you want a medical diagnosis, you still need the clinical evaluation, which is why it's worth keeping that appointment even if the school process moves first.
4. Don't wait on the diagnosis to get support
It's easy to assume the diagnosis is the gate everything else sits behind. For most of what will actually help your child day to day, it isn't.
School services are the clearest example. An IEP does not require a medical diagnosis. Schools run their own eligibility process, on their own timeline, against their own criteria, and you can request that evaluation in writing right now whether or not you ever get a diagnostic appointment. A private autism or ADHD diagnosis can inform that process, but it doesn't substitute for it and it isn't a ticket into it.
Private therapy works the same way. A formal diagnosis opens some doors (like school services under an IEP), but it is not a prerequisite for a lot of meaningful help. A licensed speech, occupational, or physical therapist can evaluate and treat specific delays, like a speech delay or motor skill delay, on their own timeline, separate from an autism or ADHD workup. If you are noticing something specific, like your child not talking as much as peers or seeming unusually sensitive to textures, it is worth asking a pediatric OT or SLP directly rather than waiting for the bigger evaluation to confirm it first.
5. Track what you're seeing, in writing
Keep a simple running note (notes app, notebook, whatever is easiest) of specific things you notice and when: what was said, what happened, how your child responded. "Doesn't respond to name most of the time" and a date is more useful to an evaluator, a pediatrician, or a therapist than trying to recall it all in the appointment. This is exactly the kind of record a parent coaching session focused on care navigation can help you build and organize if you want a second set of eyes on it.
6. Weigh a private evaluation in parallel
If a public or insurance-covered evaluation has a long wait and your family can consider a private neuropsychologist or developmental pediatrician, you can often get seen faster, sometimes in weeks rather than months, for a self-pay or partially-reimbursed fee. Families sometimes keep both a public referral and a private one moving at once and take whichever comes first, then cancel the other. There's more on weighing early intervention against private therapy options if cost and access are part of your decision.
7. Loop in your child's school or daycare
Teachers and daycare providers see your child in a different setting than you do, often in a group of same-age peers, which makes their observations genuinely useful data, not just politeness. Ask directly: "Have you noticed anything that stands out compared to other kids this age?" A school can also start its own separate educational evaluation process, which runs on a different timeline and different rules than a medical diagnosis.
When to call your pediatrician sooner, not later
Waiting for a scheduled evaluation is normal. Waiting quietly with a concern that is getting worse is not something you have to do. If you notice a skill your child had is disappearing (regression), a significant change in eating, sleeping, or behavior, or you are worried about safety, call your pediatrician's office and say so plainly. Most offices can fit in a sooner check-in visit even while a specialist evaluation is still pending.
Frequently asked questions
Does starting therapy now hurt our chances at a fair evaluation later?
No. Evaluators expect this. Getting speech, OT, or PT support in the meantime does not disqualify your child from a later autism or ADHD evaluation, and it does not "skew" the results in a way that should concern you.
One thing that does help: tell the evaluator what's in place and for how long. "She's had speech twice a week since March" is useful information, not a complication. It lets them read what they're seeing accurately, and a child who has made real progress with support is showing them something meaningful about what helps — which is arguably more useful than a snapshot of a kid who's had nothing.
If anything, waiting to start is the bigger risk. The months on a waitlist are months your child could be getting support.
What if the waitlist office never calls back?
Call them, don't just wait for them to call you. A brief, friendly check-in every few weeks ("just confirming we're still on the list, and asking if there's been any movement") is normal and expected, not pushy.
Can my child do private therapy at the same time as Early Intervention?
Often, yes, and plenty of families do. The usual reasons are that EI can only offer a lower frequency than your child needs, or that you want a specific area of expertise, like feeding or AAC, that your EI team doesn't have.
Two things to check first. Insurance is the common snag: some plans won't cover private speech, OT, or PT for the same discipline your child is already receiving through EI, so call your plan and ask about the specific service before you start. And tell both teams about each other — goals that pull in different directions are more of a problem than not enough sessions.
Also worth saying plainly: more hours is not automatically better. A toddler's progress comes mostly from what happens in everyday routines between sessions, not from the sessions themselves. The right amount of therapy is the amount your family can actually carry and practice. If adding a second provider means nobody has the capacity to follow through with either, that's a real cost, not a small one.
Related reading: Pediatric Therapy Waitlist Crisis: What Families Can Do.


