Home FAQ


Ordering from HHH Diagnostics

You can book HERE to order your tests from HHH Diagnostics

If you require a Day 2 AND Day 8 test kit, this comes as a bundle which provides you with both tests. Click HERE to book a Day 2 and day 8 test kit

You can order your tests early however, the tests are sent out via Royal Mail Special Delivery Guaranteed by 1pm, which means a signature is required. Please take this into account when ordering your tests. 

We advise you to order your tests approximately 2-3 working days before your arrival into the UK.

Your order number is the Reference Code that you need to use, for the UK Government Passenger Locator Form. You can find this in your registration email. It will start with HHHDI

Your Passenger Locator Form can be found on the Government website. 


All of our tests are sent out via Royal Mail Special Delivery Guaranteed by 1pm the next working day. Assuming you have placed your order 2-3 working days before your arrival into the UK, your tests will arrive on or before day 2 of your quarantine. All of our parcels require a signature, please ensure someone is available to sign for the parcel. If you place an order less than 2 working day before you arrive into the UK or on the day of your arrival into the UK, your testing kit may not arrive on or before day 2 of your isolation. 

Any order placed Monday to Friday before 2pm, will be despatched on the same working day for the next working day delivery. Any orders placed outside of this time, will be despatched the following working day. 

No orders are despatched on a Bank Holiday.

Once your package has been posted, you will receive a unique tracking number sent to your email. Please use this tracking number on the Royal Mail website to track your order.

You can take your Day 2 test on or before day 2 following your arrival into the UK. Remember the day you arrive is classed as day 0. Similarly, you can take your Day 8 test on or before day 8.

You will carry out your swab sample yourself at home. There are simple instructions inside the collection kit on how to take a sample. Please note the vial’s in our kits do not contain any liquid – this is normal for our testing kits.

If your results from either the Day 2 or Day 8 test are positive, you will receive  further information from the laboratory. They will inform you on how long you will need to continue to quarantine for and provide you with all the relevant government guidance you will need to follow.

Yes. Even though you may have tested negative with a test to release to finish quarantine early, you will still need to take your Day 8 test.

As all of our tests are sent out via Royal Mail Special Delivery Guaranteed by 1pm the next working day, they require a signature. If for any reason you have missed your parcel, please use the tracking number provided to your email address to rearrange delivery with Royal Mail.

Inside your parcel from us, you will receive simple instructions on how to register your tests.

All tests arrive with a box that you must assemble in order to send your tests back. This box contains a pre-paid postage label attached and all details of the laboratory are on there. All you have to do is place your sample in the box, seal the box using the security seal provided and post the box into your nearest Priority postbox.

To locate your nearest Priority postbox: https://www.royalmail.com/priority-postboxes

Please note it is your responsibility to make a note of your tracking number before you send the test kit back to the laboratory

Fit to Fly FAQ

The new rules state that, from 24th October 2021, fully vaccinated passengers travelling into England will be able to use a Lateral Flow Test (also called a Rapid Antigen Test) instead of a Day 2 PCR test, unless they’re coming from a Red List Country. Fully vaccinated passengers will also no longer need to take a pre-departure test before travelling to England, from October 4th 2021.

Your test will be sent to you using Royal Mail Tracked next day delivery. These are sent out the following working day after purchase, Monday to Friday.

Requirements for travel are constantly changing. It is your responsibilty to check with your airlines and travel destination if a rapid antigen test can be used to enter that country. Please check carefully which test you need for the destination you are travelling to and what the window for testing is. You can check your destination on the FCO website.

We verify results photos throughout the day, seven days a week, and generally send out result certificates within hours of photos being uploaded. However, please be aware that it can occasionally take longer to send out certificates (up 6 hours), particularly if photos are uploaded at night. If you haven’t received your certificate within 12 hours please check your “spam”/”junk” mailbox before contacting us.

You’ll receive your Clinician-signed test result certificate via secure email & text. Valid for travel to destinations including Italy, the USA, Germany,France & more.

On rare occasions an antigen test can give an “inconclusive” result, particularly if the testing instructions are not followed correctly. 

Please note: You need to create an online account for each person being tested.

General Information

Please note if you are fully vaccinated you do not need to quarantine for 10 days but must take the day 2 PCR test

If you’re travelling to England, what you need to do will depend on where you have been in the 10 days prior to your arrival.

You must follow these rules even if you have been fully vaccinated. Further up-to-date details can be found on https://www.gov.uk/uk-border-control 

If you’re travelling to ScotlandWales or Northern Ireland, you’ll need to follow separate guidelines.

  • Rest Of The World – If you have been fully vaccinated you must take a COVID-19 Day 2 test only on or before day 2 of your arrival into England.
    If you are not fully vaccinated you must quarantine in the place you’re staying and take a Day 2 and Day 8 test.

Travelling to England from a ‘Red List’ country is currently banned unless you are British, Irish, or a resident in UK. 

Anyone arriving in England who has visited or passed through a country on the red list in the 10 days before their arrival, needs to quarantine in a Government approved hotel. Please follow the UK government’s guidance.

It is your responsibility to ensure all the information on your forms and tests kits is correct. If you have provided incorrect information, you can receive substantial fines. Please follow the Government website for more information.

It is a Government requirement that you purchase a Day 2 and Day 8 test kit from a UK Covid-19 test provider before you arrive within the UK. You are not allowed to use other tests you may have at home. 

Counting the day you arrived in the UK as day 0, if you’ve quarantined for 10 full days and received a negative result for both your Day 2 and Day 8 tests, then you are allowed to leave quarantine. Please use the Government website for up-to-date information.

If you have used the Test to Release scheme and you receive a negative result, you can end your quarantine. Please use the Government website for up-to-date information. https://www.gov.uk/guidance/coronavirus-covid-19-test-to-release-for-international-travel

No. Even if your Day 8 test result is negative, you must quarantine for the full 10 days. Please use the Government website for up-to-date information. 

Yes you can however, you must only leave to post your sample in the Priority post box and then return to your quarantine location. 

You will be booking to attend our office in Blackburn, Lancashire BB2 2DH to collect your kit on or before day 2. At this appointment you will be given a further appointment that you will need to attend to pick up your day 8 test.

Please note this service is limited and in high demand. The appointments are available on a first come first served basis and a member of our customer support team will contact you back if your booking date/time is available. No payment will be taken at the enquiry stage.