Benefits of genetic testing

Reveal the cause of the disease

Genetic testing can provide clarity and a firm diagnosis, guide therapy selection and monitoring, and allow disease risk profiling.

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What is genetic testing?

Genetic testing is a type of medical test that identifies changes in genes, inherited from our parents, which we then typically pass on to our children. “Mistakes” in our genes (called “pathogenic variants”) can manifest the disease, and genetic tests may be used to confirm the disease diagnosis.

A genetic test is an analysis of our DNA, genetic material in our cells, that gives us specific features and enables our body to perform various functions. A number of different methods exist for fast and reliable testing of our DNA, with sequencing and deletion/duplication analysis being the most common. Sometimes, biochemical/biomarker testing allows an early diagnosis and continuous therapy monitoring, especially in the field of lysosomal storage disorders.


Global genotype-phenotype database for rare diseases CentoMD®

Advanced logistical solutions from sample sending (based on our CE-labeled CentoCard®) to report administration (using CentoPortal®)

High quality medical consultation

Short turnaround time and fast reporting

What are the benefits of genetic testing?

  • For a lot of disorders, genetic testing is the only way to make an accurate diagnosis and help avoid additional unnecessary clinical investigations.
  • Genetic testing can guide the clinician in choosing the most suitable therapy and support for the patient.
  • A definite diagnosis can be a great relief to patients and families, especially if they have been searching for the answer for long time.
  • In some genetic diseases good surveillance and early intervention can save the patient’s life (e.g. early diagnosis of hereditary cancer).
  • The results of genetic testing may be useful for future family planning.

The accuracy of genetic test results is paramount. Major life decisions are often based on genetic test results. Therefore genetic testing should only be performed by accredited, high quality labs that regularly take part in external quality assurance schemes. Ideally patient care involves pre- and post-test genetic counseling to explain the range of options and possible outcomes, in order to obtain truly informed consent.

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What are different types of genetic tests?

Diagnostic testing

is performed in order to identify or rule out the mutation that causes the symptoms, and in a lot of cases to confirm the diagnosis.

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Predictive testing

is used when no symptoms are shown yet. But there is probability of carrying the mutation and developing symptoms later in life. 

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Carrier testing

is relevant for people who carry a mutation but are not affected themselves, although there is a risk for their children to be affected.

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Prenatal testing

is important in families with a known genetic disorder when couples are planning to have children. Can be invasive and non-invasive

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At CENTOGENE, we perform the following types of genetic testing in house

  • Hotspot testing – only tests for a few most common mutations
  • Single gene sequencing – sequencing of the entire gene
  • Deletion/duplication testing – longer stretches of missing or extra genetic material
  • Repeat expansion analysis (fragment length analysis) – looks at repeats of nucleotide motives
  • Next generation sequencing (NGS) panels – sequencing of groups of genes at once
  • Whole exome sequencing (WES) – sequencing of all our genes (20,000) at once
  • Whole genome sequencing (WGS) – sequencing of our complete genome including genes and the non- coding sequence (20,000) at once
Diagnostic shift sequencing vs. interpretation

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