Mon–Fri: 8:00 a.m. to 7:00 p.m.

Sat & Sun 9:00 a.m. to 1:00 p.m.

Mon–Fri: 8:00 a.m. to 7:00 p.m.  Sat & Sun 9:00 a.m. to 3:00 p.m.

ONLINE APPOINTMENT
ELISA2022-10-18T16:57:34+02:00

The best COVID-19 testing service in Madrid

The best COVID-19 testing service in Madrid

Monday to Friday: 8:00 a.m. to 7:00 p.m.

Monday to Friday: 8:00 a.m. to 7:00 p.m. Saturday and Sunday: 9:00 a.m. to 3:00 p.m.

ELISA TEST

The ELISA test allows us to detect, with high precision, the presence of antibodies created against SARS-CoV-2 in the blood of patients.

It is useful both for people who have had the disease and for those who have been vaccinated and want to know their current level of antibodies against the pathogen. To do this, we can measure three types of immunoglobulins (antibodies): IgA, IgM, and IgG, which appear at different times after infection or vaccination.

This test is complementary to the Cellular Immunity test. We recommend performing both these tests to learn more about your immunity.

Complete ELISA test

€55

Serological test that quantifies the levels of IgA/IgM/IgG in blood.

online appointment

ELISA IGG TEST

€35

A serological test that quantifies the levels of IgG antibodies is essential for you to find out your level of immunity to COVID-19 after vaccination or post-contagion.

online appointment
  • Result’s Reports provided Spanish and English.
  • A valid QR code to allow you to travel.
  • Flawlessly reliable.
  • 5-star, world-class service.
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What does it involve?

The ELISA test consists of three simple steps:

Book your appointment online to take the test from Monday to Friday

Go to your appointment at the specified time and we will draw a blood sample

The results are delivered on Fridays after 8:00 p.m., as long as the test is carried out before 12:00 p.m. on that same Friday. If not, they will be delivered the following Friday at 8:00 p.m.

ONLINE APPOINTMENT
Find out about our results report

Check out our frequently asked questions section OR
contact us by writing to pruebascovid@lifelength.com

precios especiales para empresas y grupos

Servicio empresas

Safely returning to your job requires a negative COVID-19 test result. Contact us to test your company’s staff.

Eventos y grupos grandes

Life Length Laboratories has extensive experience performing every type of COVID-19 test, both for individuals and companies, and for every type of event.

Visitas a domicilio

If you need a test in the comfort of your home or your hotel, at Life Length we make it easy for you: we can visit you and carry out the test at the place of your choosing.

CONTACT US: PRUEBASCOVID@LIFELENGTH.COM
CONTACT US: PRUEBASCOVID@LIFELENGTH.COM

OPINIONES SOBRE NUESTRO SERVICIO

Our customers’ opinions and suggestions are very important to us. We each try to give the same service that we would like to receive ourselves.

Write your review

An excellent deal. They helped me with everything and advised me on the type of test to perform. The results came on time and the test was painless and very quick. No waiting and everything is very easy. It is the best laboratory in Madrid without a doubt! Thank you Ana María and the entire team for your professionalism and at the same time familiar and close treatment.

Great experience. After having visited other clinics in the past to do these tests that we dislike so much, I finally found one that provides good service. It was time. Thanks to the nurse who attended me and to the lady at the reception, Jacqueline, who was very kind and attentive. 100% recommended.

Very happy with the service provided. From the information provided to the attention and execution of the test, the service was top notch. The human team should be highlighted, both the people who attend reception and the nurse who performs the test, Germán, very cordial and professional. I recommend it.

Thank you, thank you, and thank you. After another clinic did not deliver the tests in the promised time, we had to go to Life Length as an emergency to carry out 2 Urgent PCR tests in order to travel to Argentina. Thanks to this clinic with this wonderful service, we arrived on time to catch the plane and visit our family. Miss Jaqueline was wonderfully informative and put us at ease from the moment we walked through the door. Thanks also to the nurse who attended us. Unbeatable and highly recommended.

Excellent attention, fast, service based on kindness and efficiency. The most recommended in Madrid! Online registration and reservation of hours is very easy, Irina’s kind and efficient service at the reception, and the kindness and care of the technical team are first class, and the speed of delivery of results is the perfect finishing touch of a service of excellence. Congratulations!

I am one of those who have a tendency to doubt the very positive evaluations. That said, I have to say that in this case I have chosen to give the maximum score to highlight the level of professionalism and attention shown by the Life length clinic and in particular for the treatment received by the worker Irina Jurj, which I must describe as exceptional. Congratulations.

THE 10 MOST COMMONLY ASKED QUESTIONS ABOUT THE elisa TEST

How much does it cost and where can I do an ELISA test?2022-06-09T12:13:55+02:00

The price of the ELISA test for individuals is 55 euros per person from Monday to Friday and €5 more on weekends and holidays, the price of PCR test is 110 euros (Monday to Friday, weekend or holiday supplement +€15) and the antigen test is 50 euros. The tests can be carried out in Madrid, in our clinic at Paseo del General Martínez Campos number 46.

 

Should I combine an ELISA test with a PCR test?2022-06-09T12:15:44+02:00

When a person decides to take a COVID-19 test, especially if they have recently been in contact with someone infected, it is advisable to carry out both types of tests, PCR and another serology test, either the ELISA test or the rapid test. The combination of these two types of tests will tell us what phase of the infection we are in: in the first 2 weeks after infection, the PCR test will be positive and the serology will be negative; later, it will be the other way around: the serologies will be positive and the PCR test negative.

How long does it take to know the results?2022-06-09T12:17:55+02:00

The results of the ELISA test are delivered on Fridays from 8:00 p.m. and will arrive by e-mail.

When do IgA, IgM and IgG antibodies appear and what do they indicate?2022-06-09T12:20:10+02:00

Immunoglobulins A (IgA) are the first to appear, 4-5 days after infection and are one of the body’s main antibodies and are found both in the mucous membranes of the respiratory tract and the digestive system and in saliva, in tears and breast milk.

Immunoglobulins M (IgM) are the following antibodies that our body makes to fight an infection, they are detected around 10-15 days and are found mainly in the blood and lymphatic fluid. A positive IgM against SARS-Cov-2 would indicate that we are probably going through the acute or central stage of the infection.

Immunoglobulins G (IgG) are the most frequent antibodies in our body, they are detectable after 15-20 days and are found in the blood and other fluids. They provide protection against bacterial and viral infections and take time to form after an infection or after receiving a vaccine. A positive in IgG against SARS-Cov-2 would indicate that we have completed the last stage of a viral infection and that we are in the resolution phase.

Are the results of the ELISA test reliable?2022-06-09T12:23:23+02:00

Very high percentages in these two metrics are mandatory to be able to trust their results. Our laboratory performs the most complete test, which quantifies and measures the 3 types of IgA, IgM and IgG antibodies, using S (spike) and N (nucleocapsid) protein antigens to improve the sensitivity, specificity and robustness of the assay.

What are the sensitivity and specificity of a test?2022-06-09T12:31:19+02:00

Sensitivity is the ability of the test to detect disease. It is calculated as the percentage of true positives over the total number of patients. For example, a sensitivity of 98% means that only 2 out of 100 samples have been diagnosed as negative (healthy) when, in fact, they were from infected individuals (positive). That 2% indicates the percentage of so-called false negatives.

Specificity is the ability of the test to detect healthy individuals. It is calculated as the percentage of true negatives over the total number of healthy individuals. For example, a sensitivity of 99% means that only 1 in 100 samples have been diagnosed as positive (infected) when, in fact, they were from healthy individuals (negative). That 1% indicates the percentage of so-called false positives.

What is a quantitative type antibody test?2022-06-09T12:31:56+02:00

In addition to knowing if we have (or not) IgA, IgM and IgG antibodies against SARS-CoV-2, this test will measure the amount of antibodies in the blood sample, also known as the count.

What are antibodies and which ones are looked for in this test?2022-06-09T12:33:09+02:00

Antibodies, also known as immunoglobulins and abbreviated with the acronym “Ig”, are glycoproteins of the gamma globulin type or better said, and to understand us, antibodies are defense proteins that the immune system manufactures and are used to identify and combat foreign elements such as such as viruses, bacteria and toxins.

IgA and IgM appear first, but it is the presence of IgG antibodies against the virus, which appear approximately from day 15 from the start of the infection, which provide probable immunity. Although it is currently unknown for how long, it is usual that over the months or years, depending on the case, the IgG antibodies weaken until they disappear or cease to be effective.

What does an ELISA test mean, what is it and what does it consist of?2022-06-09T12:35:34+02:00

From the acronym Enzyme Linked Immuno Sorbent Assay, which means “enzyme-linked immunosorbent assay”,the ELISA test is a quantitative test that indicates the amount of antibodies, or immunoglobulins, that we have in the blood against a virus. In this case, against the SARS-CoV-2 coronavirus. This laboratory test is also one of the most used to detect patients who have been infected with HIV.

The test only consists of a small blood draw (4 milliliters) and it is not necessary to come on an empty stomach.

 

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Paseo del General Martínez Campos, 46

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