GENOMIC TESTING FOR KIDS
When the answer is in how their body works.
You have the folder. Results from four different specialists, each showing a glimpse of something, none of it ever put together. Nobody has looked at the base level yet.
- PARENT'S QUICK TAKE
What is genomic testing for kids? Genomic testing reads how your child's body is built to work: how they process nutrients, handle inflammation, clear toxins and make neurotransmitters. It does not diagnose anything, and genes are not destiny. It personalizes the plan, so we stop guessing at supplements and start matching support to your child.
- QUICK ANSWER
What is genomic testing and what can it tell me about my child?
Genomic testing looks at gene variants, often called SNPs, that influence how your child processes nutrients, handles detox, manages inflammation and produces neurotransmitters. It does not diagnose anything. What it does is personalize the plan, by showing why certain foods, supplements and approaches will work better for your child's particular biology. I use a clinical grade panel called IntellxxDNA, ordered and interpreted by a clinician, from a single cheek swab.
WHY IT LANDS
Why does genomics finally put it all together?
Because it is the one thing nobody has looked at.
The families who get the most out of this arrive with an entire folder of different results from different specialists, each of whom offered a different idea about what could be going on. Every one of those results showed a glimpse. None of them ever assembled into a picture, and nobody looked at the base level, which is your child's DNA.
This is also a fundamentally different question from the one blood tests answer. A blood test tells you whether your child has zinc, or B12. That can be useful. What genomics tells you is whether their body and brain can actually use it. A child can have perfectly sufficient levels of something on paper and still not be getting it where it needs to go.
And I want to say this clearly. Your child's genes are not their destiny. Genes may set the stage, but they do not write the script. Food, sleep, environment and the daily life your family builds decide most of what actually gets expressed.
The most common thing I hear after a genomics review is some version of, for the first time, my kid makes sense to me. That is where everything changes.
WAIT IT LOOKS AT
What does the report actually cover?
The neurodevelopmental report I use most analyzes hundreds of clinically significant gene variants across the systems that shape how a child feels, focuses and grows.
Nutrient use and methylation
How your child metabolizes folate. Whether B vitamins are getting to the brain in a usable form. Whether the vitamins you are already giving are doing anything.
Inflammation and immune signaling
How predisposed this particular child is to inflammation, and why one immune system stays ramped up when another settles.
Neurotransmitters and behavior
How your child handles the brain's chemical messengers. Where OCD tendencies, anxiety patterns or attention struggles may be showing up at a genomic level, and whether a stimulant or non stimulant is more likely to suit them.
Detox pathways
How well your child clears what they are exposed to, and how sensitive they are likely to be to specific exposures such as glyphosate in food.
Mitochondrial function
How efficiently cells make energy. This is one I look at closely for children with autism and for children with a PANS picture.
Speech and neuroconnectivity
Including how folate reaches the brain, which matters a great deal for children with speech delays.
Every one of these is a tendency, never a prediction. A variant tells me where to look and what to ask. It never tells me who your child is.
NOT THE SAME THING
How is clinical genomics different from an ancestry DNA kit?
Ancestry chips are built for fun facts. Clinical genomics is built for care decisions. Same cheek swab simplicity, completely different depth and purpose.
Direct to consumer kits were designed for ancestry and curiosity, not to guide medical care, and they do not tell the whole story. The testing I use is clinician ordered and clinician interpreted, and every variant in the report links to evidence based intervention options across nutrition, environment, lifestyle and targeted supplements.
It is also worth saying that this is not the same as a hospital genetics evaluation. That is a different thing with a long specialist waitlist, looking for rare diagnosable conditions. That work matters, and when your child's picture calls for it I will say so and help you get there. What I do is different and does not require waiting on anyone.
Why I use this panel specifically
Families ask me to use cheaper reports and I understand why. The reason I do not is that IntellxxDNA is built for clinicians, grounded in published research, and designed to lead to action. IntellxxDNA's genomic approach to autism care has been published in the Journal of Personalized Medicine. This is not fringe science. It is precision medicine finally reaching pediatrics.
And the part that matters most: the report does not make the decisions. I do, with you, in plain language, one finding at a time.
MTHFR
What is MTHFR, and does it really matter?
If you have been in parent groups you have heard about MTHFR, either blamed for everything or dismissed as internet noise. Both takes miss the point.
MTHFR variants affect how efficiently the body converts folate into its active, usable form, which is relevant to neurotransmitters, detox and development. It matters in context, paired with symptoms, with labs like homocysteine, and with the rest of the genomic picture. That last part gets left out constantly. If homocysteine is fine, MTHFR is usually much less of a concern for that child, and most providers never mention it.
It is also one gene in a much bigger pathway. There are other variants that tell you more about how the brain actually uses folate, and looking at one famous gene while ignoring the rest of the pathway is how families end up supporting the trending bottleneck instead of the real one.
Why some children react badly to B vitamins that help others
This is the clearest everyday case for testing rather than guessing. Families hear MTHFR, assume their child has it, and start methylated B vitamins. For a child who does not need that form, it can genuinely over rev them. You see it as irritability, wired energy and sleep that falls apart. And a child who genuinely cannot methylate on their own may not use the vitamin appropriately either.
A lot of this comes down to how things cross the blood brain barrier. The blood brain barrier keeps your brain safe from what is not supposed to reach it. Vitamins and minerals are the keys that unlock what neurotransmitters need to do, and folate not getting into the brain is a real issue, particularly for children with speech delays.
The vitamin was not wrong. The version was. That is why I never hand a family a B complex because of a headline or a parent group post. The form gets chosen after we see the pathway.
TIMING
When is genomic testing worth it for your child?
The family that gets the most from it usually sounds like this. You have tried the therapies, the diets, the strategies. Labs keep coming back normal, or you have a whole slew of results that each show a piece and nothing puts it together. And you know, the way only a parent knows, that something biological is driving what everyone else keeps calling behavioral.
I most often recommend it for:
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ADHD or focus struggles that have not responded predictably
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Autism and neurodevelopmental differences
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Complex presentations that do not fit anywhere
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Anxiety and OCD spectrum patterns
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PANS, PANDAS and post infectious changes
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Children who react unpredictably to supplements or medications
And because I would rather earn your trust than your test order
Here is the other half of that answer. Sometimes this is not the right next step.
If the foundations are not in place yet, sleep, daily stooling, steady blood sugar, a gut that has actually been looked at, I usually want to do those first. They change symptoms faster, and they change how I read a genomic report anyway.
If what you are hoping for is a diagnosis, this is not that test, and I will tell you so before you spend a dollar.
And when a family's budget means choosing one test over another, genomics is frequently not the one I choose. Gut or nutritional testing may answer more, sooner, for less. The good news is that genes do not change, so this is a rare test that waits patiently. Nothing is lost by doing it second, next year, or never.
HOW IT WORKS
How does the process actually go?
A cheek swab at home
You order the kit, collect a cheek swab, and mail it back. No blood draw and nothing your child has to endure.
Ten to fourteen days
That is the usual turnaround for results. Ask me and I will send you a sample report beforehand so you can see exactly what you would be getting.
We read it together
Finding by finding, in plain language. Then I build a plan that removes what is aggravating your child's system, adds what is genuinely missing, and supports the resilience they already have.
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HOW GENES MAKE PLAN
How do genes guide the plan without becoming the plan?
Genomics is one tool in a larger toolkit. A powerful one, and never the whole picture.
The genomic picture tells me how your child's body works. The rest of the testing, the history and a real look at your family's routines tell me why symptoms are showing up right now. I need both.
And whatever we build has to fit inside the life your family is actually living. A family who already grows their own food and has cleared the products out of their house gets a different plan than a family who is exhausted and eating fast food most nights. Both plans can be good. Neither one is a judgment.
QUESTIONS
Genomics questions, decoded
More questions? The full FAQ covers cost, testing, school support and everything else parents ask me.
Keep reading on the blog: how genomics changes the game for kids, and why clinical genomics and 23andMe are not the same test.
READ MORE
Related concerns
When focus is the fight
Whether a stimulant or non stimulant suits this child, and what sits underneath.
When the belly is the clue
Frequently the test I would run first if a budget forces a choice.
When normal labs are not the answer
How the rest of the testing picture fits together.
WHERE WE SERVE
In person in Omaha, and by telehealth in six states.
In Person
Omaha, Nebraska
Telehealth
Arizona, Colorado, Iowa, Nebraska, Tennessee, Virginia
Not on that list? Reach out anyway. I would rather tell you honestly what I can and can't do than leave you guessing, and if I can't see you I'll point you toward someone who can.
ABOUT THE AUTHOR
Amy Patton, DNP, APRN, CPNP-PC
Pediatric nurse practitioner and founder of Happy Kid Functional Medicine
I'm a pediatric nurse practitioner with more than a decade of clinical experience, and the founder of Happy Kid Functional Medicine in Omaha, Nebraska. I started my career in underserved communities and spent years in primary care watching the same children come back with the same unresolved symptoms, handed from specialist to specialist while nobody actually got to the bottom of it. I built this practice so those families would have somewhere else to go.
Content reviewed by Amy Patton, DNP, APRN, CPNP-PC · Updated August 2026
If this is an emergency, do not wait on me. If your child is in crisis right now, call or text 988 for the Suicide and Crisis Lifeline, or go to your nearest emergency department. For a sudden severe medical change, heavy bleeding, trouble breathing, or a seizure, call 911 or your child’s pediatrician.
I am the person you call about the plan we built together, about a reaction to something we started, and about symptoms getting worse on my watch.
LAST WORDS
Genes do not change. The goal was never to treat a gene. The goal is to understand your child better and put the pieces together.
I have had parents break down in tears at this review, because everything they had been seeing and being dismissed about finally showed up as a reason. They were not making it up. They never were.
With you in this, Amy
Amy Patton, DNP, APRN, CPNP-PC · Happy Kid Functional Medicine