COVID-19 Test To Release

4 Medical Testing
Test-To-Release (TTR) Certificate within 24 hours

4 Medical Testing will help you to shorten your quarantine period if your COVID-19 PCR test on day 5 is negative. You can book your TTR online as a home self-swab kit or clinic appointment at any time: before you leave UK or before arriving in the UK or when you arrive back at home.

Once you have self-swabbed, you can return the sample for analysis to 4 Medical Testing by either posting it via Royal Mail Priority Post Box.

Covid-19 Testing Products


Test Centres

163 Ley Street, Ilford, Essex, IG1 4BL

Tel: (+44) 0203 051 2577

Suite A, Beech Court, M60 Office Park,
Wynne Avenue, Swinton, Manchester, M27 8FF

Tel: (+44) 0161 989 5333

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  1. Please book/order your Covid-19 test kits at least 3 working days (Monday-Friday) before your departure date.
  2. It is the sole responsibility of all passengers to clarify with their airline carriers the type of the Covid-19 testing requirement for their destination country as the situation is constantly evolving. For More information visit
  3. Note 4 Medical Testing does not accept any liability for delay in receiving test kits.
  4. Note 4 Medical Testing does not accept any liability for the delayed result due to late arrival or loss of samples in the laboratory.
  5. For Refund Policy see here 4 Medical Testing  Refund Policy.
  6. Subject to Royal Mail COVID-19 Priority Box collection and delivery service, the result usually takes 24-48 hours to be available, but in some cases, it may take up to 72 hours or more.

Customer Service Hours:


Mon – Fri: 9:00am to 6:00pm
Saturday: 9:00am to 3:00pm
Sunday: 11:00am to 4:00pm

Tel: (+44) 0161 989 5333

Quick Links

Customer Service Hours:


Mon – Fri: 9:00am to 7:00pm
Saturday: 9:00am to 5:00pm
Sunday: 10:00am to 4:00pm

Tel: (+44) 0203 051 2577