Self-Testing Information for Journalists

Briefing for Health Journalists and Editors on Self-Testing Kits in the UK

In the wake of the global pandemic, the landscape of personal health management has shifted permanently. Public literacy regarding diagnostic testing is at an all-time high, and with it, the demand for autonomy in monitoring one’s health. However, as the self-testing market gains traction, it is vital for the media to distinguish between unregulated "wellness" trends, illegal products, and medically validated In Vitro Diagnostic (IVD) medical devices.

Regulatory Safeguards and Self-Testing

The most common misconception is that self-tests operate in a "Wild West" environment. In reality, the UK market is strictly governed by the Medicines and Healthcare products Regulatory Agency (MHRA) and the Advertising Standards Authority (ASA). Care must be taken to avoid defamation of medical diagnostics companies who invest financially and morally to ensure compliance with regulations, by implied association with illegal products sold through online market places.

CE and UKCA Mark

For a self-test to be legally sold in the UK for home use, it must carry a CE or UKCA mark followed by a four digit reference number which identifies the Notified or Approved Body (an independent third-party auditor such as BSI or MDC) that has audited both the manufacturer and products. This indicates that the test’s design, safety, and performance, specifically for use by a layperson has been rigorously checked and meets UK legal requirements for self-test medical devices.

IVD Regulations

All SELFCHECK devices comply with the In Vitro Diagnostic Medical Devices Directive/Regulations (IVDD/IVDR), are CE marked and registered with MHRA specifically for self-testing, and an independent Notified Body has asserted that the instructions are clear, the device is safe and reliable, and the results are reproducible in a domestic setting. The UK and Europe is currently transitioning to even stricter regulations for all types of medical devices used in hospitals and at home.

Screening vs. Diagnosis - Setting the Record Straight

A frequent criticism of self-testing is that the alleged intended use offers an alternative to professional diagnosis by a doctor. This is a fundamental misunderstanding of the technology’s role, and the motivation of the scientists who developed the technology.

Self-testing kits are designed for screening and monitoring, and not for definitive clinical diagnosis. For example, a Bowel Health Test does not diagnose colon cancer; it detects occult blood in a faecal sample, which can help prompt the user to seek a GP consultation they might otherwise have delayed.

By framing self-tests as another front door to the healthcare system rather than an alternative to it, journalists can help reduce the worried well phenomenon while encouraging new opportunities for early intervention for those truly at risk.

What is Meant by Accuracy

Whilst many articles have focussed on "false positives" or "false negatives", it is important to note that no medical test by itself, whether performed in a hospital laboratory or at home will be 100% accurate at diagnosing a medical condition.

IVD regulations requires self-tests, just like laboratory tests, to demonstrate high levels of analytical sensitivity and specificity for the biomarker that is being detected. At SELFCHECK, our tests are compared against laboratory "gold standard" methods. When reporting on accuracy, journalists are encouraged to look at the performance data included in the instructions for use, which provides the evidence-based reality of the test’s reliability.

Confusion often arises from the distinction of clinical accuracy, which is the ability of a device to diagnose a medical condition, with that of analytical accuracy, which is the ability of the device to reliably detect a specific biomarker.

It is important that manufacturers and retailers of self-testing kits clearly state that self-tests are meant for preliminary screening, and not to replace a doctor’s diagnosis. Whether a positive or negative result, the user must be encouraged to speak with a healthcare professional if they have symptoms or are anxious about their health.

Mitigating Pressure on the NHS

Regulated self-testing has the potential to help as a vital pressure-release valve. When a patient presents to a GP with a positive self-test result and the physical test cassette or report in hand, it provides a data-driven starting point for the consultation. It moves the conversation from "I feel vaguely unwell" to "I have detected a specific marker that requires your professional investigation." This efficiency is a net positive for the healthcare system.

Expert comment and product sampling

Although anecdotal expert comments from clinicians and scientists, or the provision of product samples to a small number of laypersons, can help frame an article, this approach lacks scientific rigour, demeaning years of investment in R&D, and the volumes of technical information presented to the regulators for certification of a self-test medical device.

ASA & MHRA Compliance

To ensure health reporting remains responsible and avoids falling foul of the Committee of Advertising Practice (CAP) Code, journalists, as well as self-test manufacturers and retailers, should clarify that self-tests are meant for preliminary screening only, and not a replacement for a doctor’s diagnosis. Whether a positive or negative result, the user must be encouraged to speak with a healthcare professional if they have symptoms or are anxious about their health.

Avoid Fear-Mongering

Do not imply that a test is a "must-have" to avoid a life-threatening illness. Use measured language regarding "health awareness."

Don’t Discourage Professional Advice

Always include the caveat that a self-test is just a starting point and that anyone with concerning symptoms should see a doctor, regardless of a test result.

Distinguish "Home-Use" from "Professional-Only"

Some negative stories arise from people buying professional-grade kits, designed only for lab use, and trying to use them at home. Regulated self-test devices, like those from SELFCHECK, are specifically designed to prevent user error.

Our Commitment

We have been providing regulated self-test medical devices for over 15 years.

We invite journalists to reach out for performance data, regulatory clarity, or expert commentary to ensure that the narrative around self-testing remains focused on safety, accuracy, and the common goal of a healthier society. For more information on the science and regulation of self-testing, visit https://selfcheckmedical.com

 

Important: Self-test kits are intended as a screening tool and are not a substitute for a professional medical diagnosis. Always consult your GP if you have symptoms or are concerned about your health, even if you have a negative test result.

Published 13th March 2026