RT-PCR test for COVID-19 in Lodz

badanie
genetyczne
(RT-PCR) RT-PCR
genetic
test

200 zł

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kontakt@dimedical.pl +48 502 660 480

According to WHO recommendations, the key element of the diagnosis of infections in the identification of SARS-CoV-2 virus is the detection of the genetic material of the pathogen in the tested material using reverse transcription polymerase chain reaction. (RT-PCR – direct diagnostics). The distinguished test is characterized by high sensitivity and specificity, which determines the detection of the genetic material of the virus in patients, also in the latent phase of infection, before the onset of symptoms. This feature plays a key role
in preventing the spread of the pathogen.

The diagnostic procedure consists of two stages: Isolation of the genetic material of the virus and its replication under conditions of multiple temperature changes. The starting material used in the study is a nasopharyngeal swab.

The advantages of direct diagnostics based on the PCR method include:

possibility of obtaining positive results before the onset of the first clinical symptoms, low risk of cross-reactions (with appropriate selection of primers). the possibility of obtaining positive results also in patients whose infection is asymptomatic or poorly symptomatic,

Antigen test

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When to do a Coronavirus Test?

Genetic testing is recommended by the World Health Organization (WHO) when acute (early) infection is suspected
in a patient. People who meet the criteria for a suspected COVID-19 case, which are described in detail in the recommendations, should be tested to detect the genetic material of the virus.

Indications for diagnostics towards SARS-CoV-2 in accordance with GIS recommendations:

symptomatic criteria characteristic for COVID19, respiratory system infection, life-threatening condition
laboratory criteria: confirmed cases, probable cases
epidemiological criteria – representatives of the medical professions

RT-PCR tests show the highest sensitivity between the 7th and 14th day after contact with the SARS-CoV-2 coronavirus (this is usually the time when the patient experiences the first symptoms of infection). About a week after the onset of the first clinical symptoms, the sensitivity of molecular diagnosis (RT-PCR) in SARS-CoV-2 infections gradually decreases due to the decrease in the number of viral particles in the respiratory epithelium. Then the risk of false-negative results increases, despite ongoing infection.

How to prepare for RT-PCR testing?

How to prepare for RT-PCR testing? The genetic test requires taking a nasopharyngeal swab. In order for the result to be reliable, it requires appropriate preparation.

Patient going for a genetic test for SARS-CoV-2 at the swab point:

about 1 hour before the test, do not eat or drink,
about 1 hour before the examination, do not brush your teeth and do not use rinsing liquids
oral cavity, do not take lozenges, chewing gums, do not smoke,
keep a minimum 2-hour interval from the use of intranasal antimicrobial agents, i.e. drops, ointments, nasal sprays,
just before the test, do not blow your nose.

Test result

A positive molecular test result indicates the presence of viral genetic material in the sample and is evidence of ongoing infection. In the current epidemiological situation, the detection of an infection in its initial stage is of greatest importance for the inhibition of further spread of infection caused by SARS-CoV-2.

Testing for SARS Cov-2 can be performed:

commercially – for a fee,
without referral,
the test result is available
within 4-8 hours from the moment
the sample is delivered to the laboratory.

Antigen test

Umów wizytę Make an appointment

Umów wizytę Make an appointment

When to do a Coronavirus Test?

How to prepare for RT-PCR testing?

Test result

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