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Do You Need a Referral for Psychological Testing? When You Do, When You Don't, and Who Can Write One

6 days ago
18 min read

Last reviewed: 10/17/2026

Reviewed by: Dr. Kiesa Kelly


Do you need a referral for psychological testing? Paying yourself vs using your plan vs your reason for testing

You have decided it is time to find out what is going on. Maybe it is attention, maybe it is something about how you learn or relate to people, or maybe a surgeon's office has told you an evaluation is required. Then the practical question shows up: do you need a referral for psychological testing before you can even call? For most people the honest answer is that a referral is a payment rule, not a permission slip. Whether you need one depends on two things: how you are paying, and why you are being tested. If you are still deciding whether an evaluation is the right step at all, our psychological assessments page explains what we evaluate and how.


This article sorts the answer by payment route and by reason for testing. It also explains who can write a referral and what a useful one says.


In this article, you'll learn:


  • The two different things people mean by "referral," and why mixing them up causes most of the confusion

  • When you can book testing without a referral, and when your plan expects one

  • Why a referral, prior authorization and coverage are three separate questions

  • How the answer changes for ADHD or autism testing, school evaluations, accommodations and pre-surgical evaluations

  • Who can write a referral, and what a useful referral letter includes


The short answer: usually not to book, but your plan and your reason decide the rest

In health insurance, a referral is "a written order from your primary care doctor for you to see a specialist or get certain medical services" [1]. It exists so that your plan will pay. HealthCare.gov puts the consequence plainly: in many HMOs, if you do not get a referral first, "the plan may not pay for the services" [1].


That means the referral question is mostly a coverage question. If you are paying for testing yourself and will not submit a claim, a plan's referral rule usually does not apply to you. If you plan to submit a superbill for reimbursement, your plan's referral and prior authorization rules can still decide whether anything comes back. At our practice, you can book an evaluation directly, without a referral. Our testing is private-pay, and we provide a superbill for clients who want to pursue out-of-network reimbursement from a commercial plan.


If you want your plan to pay, the plan's rules decide. Some plan types expect a referral to see a specialist. Others do not. Even when no referral is needed, the plan may still need to approve the testing in advance, and it will usually only pay if it considers the testing medically necessary [2][3]. Our guide to psychological testing superbills covers what happens to an out-of-network testing claim and which questions to ask your insurer before you book.


🧭 Key takeaway: A referral is usually about who pays, not about who is allowed to be tested. Start with how you are paying, then check whether your reason for testing changes the picture.

Three misconceptions about referrals for psychological testing

"I need my doctor's permission to get tested." In reality, an insurance referral is a plan rule about payment. Original Medicare, for example, says that "in most cases you don't need a referral to see a specialist" [4], and PPO plans let you use providers outside the network "without a referral for an additional cost" [5]. For a school evaluation, a parent can ask the school to evaluate a child directly, with no doctor involved [6]. Referral requirements can also slow people down. A 2026 review of 50 studies on adults seeking an autism diagnosis, nearly half of them from the UK, found that some adults struggled to get a referral, alongside cost and long waits [7]. Referral systems there work differently from US insurance referrals, but the barrier is worth knowing about.


"Once I have a referral, my insurance will cover the testing." In reality, a referral, prior authorization and coverage are three different things. Prior authorization is the plan's own decision that a service is medically necessary, and HealthCare.gov notes that it "isn't a promise your health insurance or plan will cover the cost" [2]. Insurers also decide case by case whether testing is medically necessary. One major insurer's testing policy, for example, says testing is "rarely considered medically necessary for uncomplicated cases" of ADHD [3].


"If I'm paying myself, the referral doesn't matter at all." In reality, there is a second kind of referral that matters no matter who pays: the referral question. A psychologist decides what information to use "based on the specific questions being asked" [8]. A short letter from your therapist or doctor that states the question and the history behind it can make the evaluation more focused, even when no plan requires it. If you are still putting words to the question, the brief questionnaires on our mental health screening page can help you notice which areas stand out.


Two meanings of "referral," and why the difference matters

When people say "referral," they usually mean one of two things.


The first is the insurance referral: the written order from your primary care doctor that some plans require before they will pay for a specialist [1]. It is a yes-or-no requirement set by your plan.


The second is the clinical referral: a description of why testing is being requested and what question it should answer. Testing services ask for this because it shapes the evaluation. One academic neuropsychology service tells referring clinicians that "it is very important that the referral source specify a reason for referral" and gives an example of a specific question, such as whether a person is safe to drive [9]. An insurer's prior authorization request for testing likewise asks for background, known or suspected diagnoses and the "purpose of testing" [10].


Most of the confusion comes from treating these two as the same thing.


📝 Key takeaway: An insurance referral answers "will my plan pay?" A clinical referral answers "what should this evaluation figure out?" The second one is useful almost every time.

When you usually don't need a referral

Paying for testing yourself

If you are not using insurance, there is usually no plan rule to satisfy. Many insured people choose this route on purpose. In a national survey of 713 commercial plan enrollees who had used an out-of-network provider, published in 2024, the most common reasons were convenient location, quality and affordability. Reasons cited more often for mental health care than for general medical care included in-network providers not taking new patients (34%), confidentiality (33%) and inaccurate in-network directories (30%) [11]. In one large national directory, about one-third of private-practice psychotherapists did not accept insurance [12]. If you are paying yourself, you also have a federal right in most cases to a good faith estimate. CMS says that "usually, if you don't have or use health insurance to pay for your care, providers must give you a good faith estimate of how much it will cost," and that this applies when you are uninsured or "choosing not to use" your insurance [13].


Consider a 34-year-old who has wondered about ADHD since college. She has a PPO plan through work, and she wants to book an evaluation this month rather than wait for an in-network appointment. She calls a private-pay practice and learns she can schedule directly. She asks for a written estimate and a superbill, and she checks her out-of-network benefits separately, including whether the plan needs a referral or prior authorization for testing, knowing the plan may not reimburse testing it does not consider medically necessary. Before the appointment, she asks her therapist for a short letter describing what she has noticed at work and at home. No plan required the letter, but it gives the evaluation a clear starting question. If you want a quick structured look at attention symptoms first, the ASRS adult ADHD screener is a reasonable place to start. It is a screener, not a diagnosis.


PPO plans and Original Medicare

HealthCare.gov describes PPO plans as letting you use doctors and providers outside the network "without a referral for an additional cost" [5]. Medicare Advantage PPO plans also do not require a referral to see a specialist [14]. Original Medicare usually requires neither a referral nor prior authorization: "in most cases you don't need a referral to see a specialist," and in most cases no prior approval either [4].


No referral does not mean guaranteed payment. Coverage still depends on your benefits and on whether the plan sees the testing as medically necessary [4][14]. Medicare also has its own rules about which providers it pays. If a provider has opted out of Medicare, "Medicare won't pay for any service you get from this doctor, even if it's a Medicare-covered service" [15]. If you have Medicare, read our guide to how Medicare covers mental health care and ask any practice how Medicare works with them before you book. Testing at our practice is not covered by Medicare.


School evaluations for children

For a public-school special education evaluation, no medical referral is involved. Under federal special education regulations, "either a parent of a child or a public agency may initiate a request for an initial evaluation" [6]. If the school agrees to evaluate, the evaluation generally must be completed within 60 days of the parent's consent, or within a timeframe the state sets [6]. A school can decline, but it must give the parents written notice explaining its decision [16].


When a referral or prior authorization does matter

HMO, POS and Medicare Advantage HMO plans

If your plan is an HMO, a referral is more likely to matter. HealthCare.gov says that "in many" HMOs you need a referral before you can get care from anyone except your primary care doctor [1]. Point-of-service (POS) plans "require you to get a referral from your primary care doctor in order to see a specialist" [5]. For Medicare Advantage HMO plans, Medicare.gov says that "in most cases, you have to get a referral to use a specialist" [17].


HMOs usually also limit coverage to their own network: an HMO "generally won't cover out-of-network care except in an emergency" [18]. POS plans charge less in network but may cover some out-of-network care at a higher cost, usually still with a referral [5], and some Medicare Advantage HMOs work the same way [17]. So if you have an HMO and want your plan to pay, the practical question is twofold: do you need a referral, and is the testing provider in your network?


Picture a parent whose 13-year-old has been struggling to read, despite extra help at school. The family has an HMO through an employer. The pediatrician suggests a private evaluation, so the parent calls the plan and learns that a referral is needed, that the plan covers only in-network psychologists and that testing for educational reasons is excluded. The parent now has two routes. One is to ask the school, in writing, for a special education evaluation, which needs no doctor's referral. The other is to pay privately for an evaluation outside the plan. If the family shares a private evaluation with the school, the school must consider it if it meets the school's criteria, but it does not have to adopt its conclusions [19].


TennCare

TennCare behavioral health services are provided through managed care plans, based on medical necessity [20]. Rules differ by plan. One TennCare plan, for example, lists behavioral health care from a provider in its network among the services that do not need a referral from your primary care provider, while "certain behavioral health services" need preapproval [21]. If you have TennCare, call your plan and ask about psychological testing specifically. Do not assume a private-pay evaluation will be reimbursed.


Prior authorization: a separate step

Prior authorization is your plan's decision, before you get a service, that the service is medically necessary [2]. For testing, the request often comes from the testing provider, but some plans route it through your primary care provider [21]. If you are using an out-of-network or private-pay practice, ask your plan who has to submit it. One large insurer's testing guidance tells providers to have case background, known or suspected diagnoses and the "purpose of testing" ready, and notes that "not all plans require prior authorizations" [10].


Even with an approval in hand, payment is not certain [2]. Before you book, ask your plan whether it needs a referral, whether it needs prior authorization for psychological testing and whether your reason for testing is covered at all. The superbill guide linked above walks through those calls.


⚖️ Key takeaway: Referral, prior authorization and coverage are three separate checks. Passing one does not mean you pass the others.

Referral rules for testing by plan type: PPO, Original Medicare, HMO, POS, Medicare Advantage HMO, EPO and TennCare

How your reason for testing changes the answer

ADHD, autism and learning questions

For a clinical question, such as whether ADHD, autism or a learning disorder explains what you are noticing, the referral rules above apply in the usual way. Coverage is where the reason matters. Insurers often review whether testing will answer a real diagnostic question. One major insurer's policy covers testing to aid differential diagnosis when the question "could not be resolved by a psychiatric/diagnostic interview," and it says testing is rarely medically necessary for uncomplicated ADHD [3]. That is one insurer's rule, not a universal one, so check your own plan. Our page on ADHD and autism testing in Tennessee describes how we approach those evaluations. If autism is the question, the AQ-10 autism screener can help you decide whether a full evaluation is worth pursuing.


School evaluations

A public-school evaluation has a different purpose from a private diagnostic evaluation: it decides whether a child qualifies for special education and what the child's educational needs are [6]. If you disagree with the school's own evaluation, federal rules give parents a right to request an independent educational evaluation at public expense, though the school may instead ask for a hearing to defend its evaluation [19]. Insurers often exclude testing done for educational reasons. One insurer's policy says testing "for educational reasons is not covered" and that this testing "is usually provided by school systems" [3].


Accommodations for standardized tests and college

Accommodations involve documentation, not referrals. For standardized and licensing exams, Department of Justice guidance says documentation requests "must be reasonable and limited to the need for the requested testing accommodations," and that testing entities "should defer to documentation from a qualified professional who has made an individualized assessment" [22]. Colleges work differently. They may set "reasonable standards for documentation," an IEP or 504 plan "is generally not sufficient," and neither high school nor college is required to pay for a new evaluation [23].


Consider a law student who was diagnosed with ADHD as a child and wants testing accommodations for a licensing exam. Nobody needs to refer her. She first asks the testing entity what it requires. If she received the same accommodations on a similar exam before, that may be enough on its own [22]. If the testing entity wants a current evaluation, she brings its requirements to the evaluation. She plans to pay herself, because coverage for this kind of testing is uncertain. One major insurer's policy, for example, says testing for "employment, disability qualification, or legal/court-related purposes is not covered" [3].


Pre-surgical evaluations

Some procedures require a psychological evaluation before surgery. Bariatric surgery and spinal cord stimulator trials are common examples. One insurer's spinal cord stimulator policy requires "clearance from a psychiatrist, psychologist, or other qualified mental health professional" [24], and that same insurer says neuropsychological and psychological testing "generally are not considered medically necessary for pre-surgical clearance," even though an evaluation by a psychologist or psychiatrist "is sometimes required" [3]. Here the surgical program or insurer usually decides who can do the evaluation. Our guide to pre-surgical psychological evaluations explains how to find out who is requiring it and what they need.


🎯 Key takeaway: For a diagnostic question, check your plan. For school, start with the school. For accommodations, start with the testing entity's or college's documentation rules. For surgery, start with the surgical program.

Who can write a referral

It depends on which kind of referral you need.


  • For an insurance referral: whoever your plan names. HealthCare.gov's definition points to your primary care doctor [1], and many HMO and Medicare Advantage HMO plans expect it to come from there [1][17]. Check your plan's member handbook or call the number on your card.

  • For a school evaluation: you, as the parent. You can make the request yourself, in writing [6].

  • For a pre-surgical evaluation: your surgical team or insurer usually specifies who may complete it. One insurer accepts clearance from a psychiatrist, psychologist or other qualified mental health professional, such as a licensed clinical social worker [24].

  • For a clinical referral letter: anyone who knows the concern well, such as your therapist, psychiatrist, primary care clinician, pediatrician or nurse practitioner. No plan rule limits who can describe the question, and a letter from someone who has seen the pattern over time is often the most useful.


What a useful referral letter includes

A good referral letter does not need to be long. It needs to say what the evaluation should answer and why. Testing services and insurers commonly ask for these elements [9][10][25][26]:

  1. The referral question. What should the evaluation answer? For example, "Is this ADHD, a learning disorder, both or neither?" A vague reason, such as "struggles with focus," is much less useful than a specific one.

  2. Symptoms and their history. When the concerns started, how often they happen, how strong they are and how long they have lasted.

  3. The effect on daily life. What is harder at work, at school or at home because of them.

  4. Relevant history. Medical conditions, especially any that can affect thinking; current medications; and any past psychological, educational or medical testing.

  5. Treatment so far. What has been tried, and how it went.

  6. Anything that could muddy the results. For example, active substance use or acute psychiatric symptoms, along with relevant history such as a past head injury.

  7. How the results will be used. A diagnosis, treatment planning, medication decisions, school planning or documentation for accommodations.


📋 Key takeaway: The most useful referral letter states a clear question, gives the history behind it and says what the results will be used for.

Where to start for psychological testing by reason, and what a useful referral letter includes

A simple way to decide before you book

  1. If you are paying yourself and will not submit a claim, you likely do not need an insurance referral. Ask for a written good faith estimate, and ask your therapist or doctor for a short clinical referral letter if one would help [13]. If you plan to submit a superbill, your plan's referral and prior authorization rules still apply, so follow step 2 too. If you have Medicare, ask the practice how it works with Medicare before you book; at a practice that does not bill Medicare for testing, plan for Medicare to pay nothing [15].

  2. If you want your plan to pay, look at your plan type. With a PPO or Original Medicare, you often will not need a referral, but check coverage and prior authorization. With an HMO or Medicare Advantage HMO plan, expect to need a referral and an in-network provider. With a POS plan, expect to need a referral, and ask whether out-of-network testing is covered and at what cost. With an EPO, the plan generally covers only in-network care, so an out-of-network evaluation is unlikely to be reimbursed. With TennCare, call your plan and do not assume a private-pay evaluation will be reimbursed [1][4][5][17][21].

  3. If the testing is for a child's schooling, consider asking the public school for an evaluation in writing first. A private evaluation can still be shared with the school [6][19].

  4. If the testing is for accommodations, get the testing entity's or college's documentation requirements before you book, and plan for the possibility that insurance will not pay [3][22][23].

  5. If the testing is for surgery, ask your surgical coordinator who is requiring the evaluation and who is allowed to complete it.


Before you book anywhere, these questions help you compare evaluators:

  1. Scope: "Will this evaluation answer my specific question, including the other conditions that could explain the same pattern?"

  2. What you need from me: "Do you need a referral or any records before the first appointment, and what history do you gather if I don't have childhood records?"

  3. Output: "Will the report be written to meet the documentation requirements of my school, college or testing entity, and will I receive specific recommendations?"

  4. Cost: "Can I have a written estimate, and do you provide a superbill if I want to submit it to my plan?"

  5. Medicare: "If I have Medicare, how does Medicare work with your practice?"


Next step: booking an evaluation

For most people, the referral question turns out to be a phone call, not a gate. Decide how you will pay, check what your plan or the requesting organization needs, and bring a clear question to the evaluation. If you want to start with us, you can meet our clinicians first. You do not need a referral to book.


Not sure whether you need a referral?

Our team can talk through your reason for testing, what the evaluation would involve and how our superbills work, and give you a written estimate before you book.



Frequently Asked Questions

Can my therapist write a referral for psychological testing?

Yes, for a clinical referral letter. Your therapist often knows the concern best and can describe the question testing should answer, the history behind it and what has already been tried. Whether a therapist's letter meets an insurance referral requirement is a separate question. Plans that require referrals usually expect them from your primary care doctor, so check your plan if you want it to pay.


Does a referral mean my insurance will pay for testing?

No. A referral only satisfies one plan rule. Your plan may also require prior authorization, which is its decision that the testing is medically necessary, and HealthCare.gov notes that even that approval is not a promise to pay. Coverage also depends on your benefits and your reason for testing. Some insurers exclude testing done for school, employment or legal purposes.


Can I ask my child's public school for an evaluation without a doctor's referral?

Yes. Under federal special education rules, a parent can ask the school directly for an initial evaluation, and it helps to put the request in writing. If the school agrees to evaluate, it generally must finish within 60 days of your consent, or within your state's timeline. If it declines, it must tell you in writing. The school's evaluation decides eligibility for special education and educational needs, a different purpose from a private diagnostic evaluation.


What should a referral letter for psychological testing say?

A useful letter states the question the evaluation should answer, describes the symptoms and when they started, explains how they affect daily life, and lists relevant medical history, medications, past testing and treatment so far. It should also mention anything that could affect results, such as recent substance use, and say how the results will be used. A clear question matters more than length.


Do I need a referral for psychological testing if I have Medicare?

Usually not with Original Medicare, which in most cases does not require a referral to see a specialist. Medicare Advantage HMO plans usually do require one, while Medicare Advantage PPO plans do not. Payment is a separate question. Medicare will not pay for services from a provider who has opted out of Medicare, so ask any practice how it works with Medicare before you book.


About ScienceWorks

ScienceWorks Behavioral Healthcare was founded by Dr. Kiesa Kelly, a clinical psychologist with more than 20 years of experience in psychological assessment and evidence-based treatment. Our clinical team evaluates adults and adolescents for ADHD, autism, anxiety, depression, OCD, trauma and insomnia.


We operate a telehealth-forward model serving Tennessee, and our psychological assessments are conducted virtually. Our testing is private-pay, you do not need a referral to book, and we provide superbills for clients pursuing out-of-network reimbursement from commercial plans. Our testing is not covered by Medicare. We also do not handle prior authorization, so if you plan to submit a superbill, check your plan's referral and prior authorization rules before you book. Every article we publish is reviewed by a licensed clinician for accuracy before it goes live.


References

1. Centers for Medicare & Medicaid Services. Referral. HealthCare.gov glossary. Accessed October 17, 2026. https://www.healthcare.gov/glossary/referral/

2. Centers for Medicare & Medicaid Services. Preauthorization. HealthCare.gov glossary. Accessed October 17, 2026. https://www.healthcare.gov/glossary/preauthorization/

3. Aetna. Neuropsychological and Psychological Testing. Medical Clinical Policy Bulletin Number 0158. Last reviewed March 20, 2026. Accessed October 17, 2026. https://www.aetna.com/cpb/medical/data/100_199/0158.html

4. Centers for Medicare & Medicaid Services. Compare Original Medicare & Medicare Advantage. Medicare.gov. Accessed October 17, 2026. https://www.medicare.gov/basics/get-started-with-medicare/get-more-coverage/your-coverage-options/compare-original-medicare-medicare-advantage

5. Centers for Medicare & Medicaid Services. Health insurance plan & network types: HMOs, PPOs, and more. HealthCare.gov. Accessed October 17, 2026. https://www.healthcare.gov/choose-a-plan/plan-types/

6. U.S. Department of Education. 34 CFR 300.301 - Initial evaluations. Electronic Code of Federal Regulations. Accessed October 17, 2026. https://www.ecfr.gov/current/title-34/subtitle-B/chapter-III/part-300/subpart-D/subject-group-ECFRcdd53b28839f370/section-300.301

7. Khudiakova V, Sin J, Suzuki M, Barnicot K. Lived experience, family, and clinician perspectives on barriers to adult autism diagnosis and post-diagnostic supports: a mixed-methods systematic review. J Dev Phys Disabil. 2026;38(5):979-1018. https://doi.org/10.1007/s10882-026-10055-x

8. American Psychological Association. Understanding psychological testing and assessment. Updated August 18, 2022. Accessed October 17, 2026. https://www.apa.org/topics/testing-assessment-measurement/understanding

9. SUNY Upstate University Hospital, Neuropsychology Assessment. Provider information: information for referral sources. Accessed October 17, 2026. https://www.upstate.edu/pmr/healthcare/programs/neuro_psych/referral.php

10. Optum. Psychological and Neuropsychological Testing. Provider Express clinical resources. Accessed October 17, 2026. https://public.providerexpress.com/content/ope-provexpr/us/en/clinical-resources/PsychNeuropsychTesting.html

11. Busch SH, Kyanko K. Patients' reasons for using out-of-network mental and general medical health providers. Psychiatr Serv. 2024;75(8):812-816. https://doi.org/10.1176/appi.ps.20230212

12. Zhu JM, Huntington A, Haeder S, Wolk C, McConnell KJ. Insurance acceptance and cash pay rates for psychotherapy in the US. Health Aff Sch. 2024;2(9):qxae110. https://doi.org/10.1093/haschl/qxae110

13. Centers for Medicare & Medicaid Services. Know your medical bill rights when not using insurance. CMS.gov. Accessed October 17, 2026. https://www.cms.gov/initiatives/your-patient-rights/medical-bill-rights/know-your-rights/without-insurance

14. Centers for Medicare & Medicaid Services. Preferred Provider Organizations (PPOs). Medicare.gov. Accessed October 17, 2026. https://www.medicare.gov/health-drug-plans/health-plans/your-health-plan-options/PPO

15. Centers for Medicare & Medicaid Services. Does your provider accept Medicare as full payment? Medicare.gov. Accessed October 17, 2026. https://www.medicare.gov/basics/costs/medicare-costs/provider-accept-Medicare

16. U.S. Department of Education. 34 CFR 300.503 - Prior notice by the public agency; content of notice. Electronic Code of Federal Regulations. Accessed October 17, 2026. https://www.ecfr.gov/current/title-34/subtitle-B/chapter-III/part-300/subpart-E/section-300.503

17. Centers for Medicare & Medicaid Services. Health Maintenance Organizations (HMOs). Medicare.gov. Accessed October 17, 2026. https://www.medicare.gov/health-drug-plans/health-plans/your-health-plan-options/HMO

18. Centers for Medicare & Medicaid Services. Health Maintenance Organization (HMO). HealthCare.gov glossary. Accessed October 17, 2026. https://www.healthcare.gov/glossary/health-maintenance-organization-hmo/

19. U.S. Department of Education. 34 CFR 300.502 - Independent educational evaluation. Electronic Code of Federal Regulations. Accessed October 17, 2026. https://www.ecfr.gov/current/title-34/subtitle-B/chapter-III/part-300/subpart-E/section-300.502

20. Division of TennCare. Behavioral Health Services. TN.gov. Accessed October 17, 2026. https://www.tn.gov/tenncare/members-applicants/benefits-services/behavioral-health-services.html

21. Wellpoint Tennessee Medicaid. Referrals and preapprovals in TN. Accessed October 17, 2026. https://www.wellpoint.com/tn/medicaid/referrals-preapprovals-prior-authorizations

22. U.S. Department of Justice, Civil Rights Division. ADA Requirements: Testing Accommodations. ADA.gov. Accessed October 17, 2026. https://www.ada.gov/resources/testing-accommodations/

23. U.S. Department of Education, Office for Civil Rights. Students with Disabilities Preparing for Postsecondary Education: Know Your Rights and Responsibilities. Revised September 2011. Accessed October 17, 2026. https://www.ed.gov/higher-education/students-disabilities-preparing-postsecondary-education

24. Aetna. Spinal Cord Stimulation. Medical Clinical Policy Bulletin Number 0194. Last reviewed September 10, 2026. Accessed October 17, 2026. https://www.aetna.com/cpb/medical/data/100_199/0194.html

25. Rula Health. Psychological Testing Referrals at Rula: How to Ensure Your Referral Gets Approved. Rula Therapist Support. Accessed October 17, 2026. https://therapistsupport.rula.com/hc/en-us/articles/39421329004955-Psychological-Testing-Referrals-at-Rula-How-to-Ensure-Your-Referral-Gets-Approved

26. Vanderbilt Kennedy Center. Psychological Assessment in Intellectual and Developmental Disabilities: Frequently Asked Questions. Health Care for Adults with Intellectual and Developmental Disabilities toolkit. Updated September 2023. Accessed October 17, 2026. https://vkc.vumc.org/assets/files/idd/2-3_Psychological_Assessment_Fact_Sheet.pdf


Disclaimer

This article is for informational purposes only and is not legal, insurance or medical advice. Referral, prior authorization and coverage rules vary by plan, insurer, state and school district, and they change over time. Check with your plan, your school or the organization requesting the evaluation before you book. Reading this article does not create a clinician-patient relationship.

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