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Test Results

About C1Health
Services and Tests
Orders
What is COVID
What is COVID
How do I swab
Returning Your Test
What is the passenger locator form?

You must complete a passenger locator form online before you arrive in the UK.

It’s free to submit the form and you can submit the form any time in the 48 hours before you arrive in the UK.

You will need to show your form when you check in to travel or board your plane, train, or ferry to the UK.

To access to the passenger locator form click here.

When can I expect my results?

We process your sample as soon as we receive it at the laboratory, and you can expect your results within 24hrs.

We can arrange a quicker turnaround time for you.

If you would like more information about our services, please email [email protected] or call us on 08007999751

International callers, phone: +441556510576

I have not received my results, what should I do?

If your test result has not arrived after the given time frame, please contact the Customer Service team at [email protected] or call us on 08007999751 (International Calls: +441556510576)

How will I receive my results?

You will receive your results either by text message or email.

They are also available on our online portal in the section “view results”.

What does my result mean?

Negative: this means the virus could not be found on your swab.

Unclear/Inconclusive: it is not possible to say if you had the virus when the test was done. Unclear/inconclusive results are very rare, they can be caused by a number of factors usually relating to inadequate sampling (for example the laboratory could not detect human DNA on the swab) or a swab sample is provided with excessive mucoid material present which will interfere with the correct operation of a lateral flow test.

Re-swabbing and providing a second sample is recommended if an unclear/inconclusive result is reported initially.

Positive: this means the virus was found on your swab.

What should I do if I test positive for COVID-19?

Please follow the government guideline by clicking here.

Will I get a QR Code with my certificate?

All our certificates contain a QR code giving access to the laboratory details and accreditation.

How accurate are the tests in the Circular1 Health laboratory?

Lateral flow tests have a sensitivity of 83.4% and a specificity of 99.999%.

PCR tests have a sensitivity of 98.62% and a specificity of 99.02%

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