




1 / 6 Newborn Genetic Screening
A simple oral-swab screen of your newborn for inherited conditions where early intervention changes outcomes - including treatable metabolic disorders, hearing impairment risk, and immune deficiencies.
Saliva or blood? The same DNA, the same accuracy.
The logistics, simply.
Everything you need to know about shipping, blood draw, and suitability.
Kit delivery & logistics
Kit delivery & logistics
1. Get your kit from us. Free delivery of your test kit, dispatched by next-day delivery after your included 45-minute specialist genetic counsellor consultation and once your test choice is confirmed. Changed your mind? Return the kit unused within 30 days at no charge.
2. Easy returns. After sample collection, send your sample in the pre-paid bag to the nearest depot (details in your email). Turnaround is counted in working days from when your sample reaches the laboratory.
Sample / draw options
Sample / draw options
At-home cheek swab : At-home cheek swab kit; you collect the sample yourself and post it back.
Test suitability
Test suitability
Genetic testing with Jeen Health is suitable for adults who have completed a pre-test consultation with one of our genetic counsellors - in clinic, over video, or by phone.
Genetic testing with Jeen Health is only available to individuals aged 18 and over.
Three steps. That's it.
Simple, clinician-supported steps to take your test with Jeen.
Talk to a clinician
Book your included 45-minute consultation with our specialist genetic counsellor. Confirm the test that's right for you.
Consent + collect
Complete your consent form online, receive your kit, and collect your sample at home or via a clinic of your choice.
Results + follow-up
Your results are reviewed by your genetic counsellor. We share them with you securely, and book a follow-up consultation with onward referrals if your result is high-risk.
Compare every option we offer.
From the basic panel to our most advanced option.
200+ collection points across the UK
A simple, low-cost option with flexible scheduling. For many patients, this is the quickest and most practical way to complete the test.
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Frequently asked questions.
What does Newborn Genetic Screening test for?
When should we test our newborn?
Is the test painful or invasive?
How long do results take?
How much does Newborn Genetic Screening cost?
All 258 genes by category
Genes grouped by the clinical area they're associated with. Click any underlined symbol to read the gene's plain-English overview on Jeen Library - or browse per-gene carrier frequencies for population-stratified rates.
References & methodology
The "1 in 33" figure on this page comes from the GUARDIAN study (Ziegler et al., JAMA, October 2024) - the best-published benchmark for next-generation sequencing newborn screening at this scope.
GUARDIAN screened the first 4,000 newborns at NewYork-Presbyterian across 255 conditions (156 treatable early-onset + 99 optional neurodevelopmental disorders) - a panel directly comparable to ours in scope and methodology. Findings:
- 3.7% screen-positive rate (147 of 4,000)
- 3.0% confirmed true positives after orthogonal testing - roughly 1 in 33
- 92% of those true positives would have been missed by standard heel-prick newborn screening alone
- Original a-priori estimate was
0.1% (1 in 1,000); actual yield was **37× higher**
Caveats worth knowing
- Population matters. GUARDIAN was a diverse New York cohort; hemoglobinopathy and G6PD prevalence shift the headline number. A predominantly White/UK European cohort would likely come in slightly lower (~2–3%).
- Screen-positive ≠ symptomatic disease. Some variants identified are reduced-penetrance or late-onset within the early-onset window. The 3% true-positive figure is the more honest "affected" number; we cite that rather than the 4% screen-positive rate.
- Panel overlap. Our 258-gene panel and GUARDIAN's 255-condition panel have substantial overlap (CFTR, SMN1, GJB2, HBB, G6PD, PAH, ACADM/MCAD, etc.) but are not identical. A few percentage points of variation either way is expected.
Citation: Ziegler A, et al. "Genomic Sequencing for Newborn Screening: Results From the Guardian Study." JAMA, 11 October 2024. Open in PubMed →
Talk to a specialist.
Our team is here to help. Whether you're curious about testing, your results, or what's right for you - we're a message away.
Book a consultationQuick check before you order
Two short questions - newborn genetic screening is a screening test for asymptomatic babies under 12 months. If either answer rules that out, we'll route you to the right pathway instead.
Email my@jeen.health and we'll arrange the right next step - usually an appointment with one of our clinical geneticists.