COVID-19 Home Total Antibody Test

Find out if you’ve had COVID-19 with our Home Total Antibody Test

This test allows for the detection of IgM and IgG antibodies, which appear in the blood after infection. By doing so, it will tell you whether or not you have previously been exposed to SARS-CoV-2, the virus that causes COVID-19.

This test is suitable for residents living in Mainland UK.

This test is manufactured by Roche (Anti-SARS-CoV-2 N) and for testing after natural infection only.

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Advantages include:

Advantages Antibody Advantages Antibody Advantages Antibody


“Excellent service overall”

"Easy to collect the sample, easy to post it, results two days later. And excellent customer service!! Thank you, you're doing an amazing job!"

– Julia

“Fast, smooth and fairly priced.”

“I could not have had a smoother experience. Ordered a test on a Friday morning. It was dispatched an hour later and arrived on Saturday morning. Took the test on Wed and got my results 48 hours later."

– Em

Roche Anti-SARS-CoV-2 Test Quality:

*Further validation studies available from PHE. Test validated by Roche for use on capillary blood.

Frequently Asked Questions

This test is easy to use if you have good blood flow at your finger tips. A good way to see if this test is right for you is to watch the instruction video filmed by our esteemed resident clinical advisor, Dr Renee Hoenderkamp.

Instruction Video

This test requires 0.5ml of blood, approximately 10-20 drops, collected into a blood tube using a high flow single use safety lancet. We supply 3 lancets in each kit, and on average testers take 2 lancets to get the blood required. About 10% of you will not be able to get the required blood, in which case please ask for a refund by emailing quoting your order code sent to you in your purchase confirmation.

If you have low blood pressure or low circulation in your hands, which may present as your fingers going unusually white in cold winter weather, this test may not work for you.

In our usability study we found that 91% of individuals who took the test, were able to get the necessary blood sample, and we will continue to monitor and publish the success rate as we continue to test.

Our immune response to COVID-19 infection leads to the production of immunoglobulins, which attach to the virus and activate the rest of the immune system to attack and clear the virus. Immunoglobulin M (IgM) antibodies have been detected as early as day 5 after symptom onset, while the median time for them to appear is day 10‐13. Immunoglobulin G (IgG) antibodies are usually produced at a later stage in the infection at around day 12‐14 days after symptoms, and subsequently remain for a period of time. The Roche Anti-SARS-CoV-2 test is a total antibody test that provides a single positive/negative result for the detection of Anti-SARS-CoV-2 antibodies.

The general understanding of how antibody levels ramp up following infection as described above is clear, however research continues as to how long antibodies remain detectable following infection. The general consensus is that antibody levels and their longevity are linked to the severity of infection, and that the level will diminish over time.

It is not certain that every individual who was infected with SARS-C0V-2 will create an antibody immune response, and that it is still detectable at a specific number of months post infection.

At this time approximately 11% of individuals who test with us have a positive result for antibody detection using the Roche Anti-SARS-CoV-2 total antibody test.

No. This test detects antibodies to the virus nucleocapsid (often depicted as the shell of the virus in graphics of coronavirus). The majority of vaccines that are in development around the world including the AstraZeneca, Novavax and Pfizer vaccines work by triggering antibodies to the spike protein.

This test will accurately detect natural infection, but not an immune response trigged by a vaccine.

If you wish to have a test that detects the antibodies created by either the Pfizer or AstraZeneca vaccine, then please use our COVID-19 Immunity Tracker test that measures IgG antibodies created either by vaccination or natural infection.

This test shows you whether or not you’ve had COVID-19 in the past, by detecting antibodies in your blood. The test will however not tell you whether or not you are immune to the virus, and whether or not you currently have COVID-19. To test for current infections, you need to use a PCR Viral RNA, or Antigen test.

This means that the test has been validated by the manufacturer and is in line with the health and safety standards of the European Economic Area. For Testing For All to offer this test in the UK market we use the Roche Anti-SARS-CoV-2 test that is CE marked and validated for finger-prick (capillary) blood, and a blood collection kit that is CE IVD marked and validated for use by individuals (lay use).

On a few rare occasions, samples do get voided by the lab, meaning we cannot return a valid result. There are a few reasons why this could happen but it does not mean you did anything wrong in taking your sample. The usual reasons for a rejected sample are:

  • The sample could not be identified because the labelling was unclear or spoiled.
  • The sample itself was hemolyzed (spoiled), which could be caused by massaging the puncture site too hard, contamination at the point of taking the sample, or indeed can sometimes just occur during transit.
  • There was not sufficient volume of the sample to perform the test (the vial was not filled high enough).

If you would like, we can issue you with another kit to try again or alternatively offer you a refund of £20.

In our study carried out in August 2020 we found that approximately 91% of users were able to take a blood sample suitable for this test. If you have low blood pressure or low blood circulation at your finger-tips it may not be easy for you to get the sample that you need. This is normal for many people, so don’t worry. If you would like, we can issue you with another kit to try again or alternatively offer you a refund of £20

You have two months from date of purchase to use your test kit, after which our lab partner will no longer process your sample. The exact expiry date is indicated on the outside packaging.

You will take your own blood sample in the comfort of your own home, and the test will be processed by our partner lab, which is a UKAS certified laboratory.

Yes, you can still do this test. Research shows that up to 30% of people who have had COVID-19 have not experienced symptoms

Yes. On the 8th June 2020 the Medicines and Healthcare products Regulatory Agency (MHRA) issued a statement warning that home antibody testing using capillary blood may not be reliable. To fully comply with the MHRA issued guidelines this new test was developed which uses:

  • the Roche Anti-SARS-CoV-2 Immunoassay validated for capillary blood over extended sample storage durations
  • the Testing For All CS1 capillary blood home sampling kit which is  a CE-IVD marked home blood collection kit In Vitro Diagnostic device for lay person use
  • Uses a transport mechanism that is verified for postal transport in simulated and real-world extreme UK weather conditions
  • Testing performed at a UKAS accredited laboratory
  • Offers a GP referral option from CQC registered Medical Solutions as part of the patient journey

The Testing For All Home Antibody test is one of the first tests on the UK market that complies with the MHRA requirements from 8th June 2020.

Privacy is everything to Testing For All. To understand our stance please refer to our privacy notice.

In summary:

  • Your sample is anonymous to our lab partners
  • We will never sell your data including your blood
  • We will delete your data at the end of the pandemic subject to regulatory data retention requirements

As of 15th September 2020 our laboratory partners are requested to retain “positive” antibody test samples. Your sample may be retained, though it is not identifiable to you without requesting further information from Testing For All. In the unlikely event that we are required for legal or regulatory reasons to reveal this information, we will challenge this action and notify you of the request for information.

If you are offered this test by your employer, then your result will be shared in accordance with the Employee Privacy Notice.

This test uses the Roche Anti-SARS-CoV-2 Immunoassay which has at greater than or equal to 14 days since onset of symptoms a manufacturer stated sensitivity % (95 %CI) of 99.5% (97.0-100%) and an overall clinical specificity % (95 %CI) of 99.80% (99.69-99.88). 

Public Health England validated this assay in two separate validations. In the report Evaluation of sensitivity and specificity of four commercially available SARS-CoV-2 antibody immunoassays the Roche Anti-SARS-CoV-2 Immunoassay was found to have sensitivity [95% CI] 97.2 (95.4, 98.4) and specificity [95% CI] 99.8 (99.3, 100).

In addition to the manufacturer stated sensitivity and specificity, Testing For All and our partners have verified the Testing For All CS1 CE-IVD marked Home Capillary Blood Collection Kit in extreme transport conditions to verify that the accuracy of the result is not affected by the transportation environmental factors: most importantly temperature and duration. The CS1 IVD demonstrates an 100% Positive Percent Agreement and 100% Negative Percent Agreement with control samples demonstrating that the home sampling method is accurate even in extreme environmental conditions and extended transport durations of up to 7 days.

Every Roche Immunoassay uses a biotin – streptavidin reaction. However, Biotin in the blood has to be at extremely high levels to cause any interference.

No interference up to a level of:
Biotin ≤ 4912 nmol/L or ≤ 1200 ng/mL

  • Please read the instructions provided carefully before collecting your blood sample. Failure to follow the sampling procedure could lead to an invalid sample that cannot be tested
  • Blood samples must not be taken from fingers on the side affected by mastectomy
  • It may not be possible to obtain a blood sample using a finger-stick puncture if suffering with poor circulation at the finger-tips (e.g. suffering from peripheral edema)
  • The lancet contains a sharp blade. Please keep out of reach of anybody under the age of 16 and pets. If any of the kit materials are swallowed, seek medical advice immediately
  • Do not use a lancet puncture site more than once, this can lead to bacterial contamination and infection.
  • Handle all parts of the kit, both during and after use, as potential infectious material, taking necessary blood contact precautions
  • The Capillary Blood Sampling Kit is a single use In Vitro Diagnostic device which cannot be reused. The lancets are for single use only
  • This test is not suitable for use by anyone suffering with a blood coagulation disorder or under the age of 10
  • Children between 10 and 16 should not perform the test without adult supervision