RT-PCR Test Centres in Gurugaon, Delhi NCR- House of Diagnostics (HOD)

   2022-01-25       5        Health
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There are a number of RT-PCR test centres in Gurgaon that can give you accurate and precise results. Regarding RT-PCR test cost in Gurugram, the government has standardised the price of RT-PCR tests.
The Reverse Transcription Polymerase Chain Reaction (RT-PCR) is a sensitive and reliable molecular test that detects the presence of genetic material from a specific organism, such as a virus. PCR tests are used to screen the presence of viral RNA, by targeting one or more gene fragments. The test can detect whether or not the someone has the virus very early in the course of the disease. 

Converts RNA into DNA
In an RT-PCR test, RNA is extracted from the swab collected from the patient. The RNA is first transcribed into complementary DNA (cDNA) by reverse transcribing of the RNA templates using the reverse transcriptase enzyme. The PCR process then amplifies a particular DNA fragement (the sequence of interest, DNA of interest, or target DNA) into millions of copies. This improves the ability of the test to detect the presence of virus. It is only after multiple cycles that a detectable amount of virus is produced. The technique helps detect a particular RNA sequence with a high degree of accuracy and sensitivity. Since this process involves an in vitro technique, the diagnosis of coronavirus has now become easier.

Accuracy
People with suspected COVID-19 infection have to know their infection status as early as possible, so that they can self-isolate, receive treatment, and inform close contacts. As compared other tests such as the antigen and antibody tests, the RT-PCR tests are considered to be far more accurate. However, in a large sample size, there is a possibility that the test can detect some false-negative patients due to errors in sample collection, processing or transport. With most COVID-19 cases occuring within 3-5 days after exposure, the RT-PCR test must be conducted eight days after suspected exposure or infection, to ensure that enough viral material is present to detect.

Importance of Ct value
Ct value is the short form of cycle threshold that comes out during the RT-PCR tests. As per the ICMR advisory, the Ct value in an RT-PCR reaction refers to the number of cycles after which the virus can be detected. While a low Ct value indicates that the viral load was higher, a higher Ct value shows that the viral genomic load was low. According to ICMR, a patient is considered COVID positive, if the Ct value is below 35. A patient is said to be negative if the Ct value is above 35. 

When to go for a RT-PCR test
    • You came into close contact with someone who has tested positive for the virus
    • You work in a healthcare facility or are healthcare provider
    • Need to be cleared for travel or work
    • You are in a high risk group prioritised for coronavirus treatments
    • You live or work in facilities such as nursing homes

How is the test administered?
For a RT-PCR test, a doctor or a nurse uses a cotton-tipped plastic swab to collect the sample from the throat or nose. For instance, a nasal swab is inserted two inches into your nose and rotated gently for a few seconds. The swab is then removed and put inside in a tube to be sent to a lab for analysis. The test can be uncomfortable but not overly painful.

There are a number of RT-PCR test centres in Gurgaon that can give you accurate and precise results. Regarding RT-PCR test cost in Gurugram, the government has standardised the price of RT-PCR tests.

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Our flagship brand named the House of Diagnostics, has synonymised itself as a symbol of trust by patients, clinicians and other stakeholders alike. We envisioned the provision of quality and reliable diagnostic and diagnostic imaging services at an affordable cost.

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HouseOf Diagnostics (HOD) operates multiple Diagnostic Centres in Delhi NCR which offer MRI, CT Scan, Whole Body PET Scan, Blood Tests, and other tests under one roof. Please click on the locations ne..


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