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DNA tests can detect changes and abnormalities in your genes, proteins, and chromosomes that may indicate the presence of an illness or disease. These tests can also help your doctor rule out suspected genetic-related conditions. At this time, there are more than 77,000 genetic tests available and in use.
There are many different types of DNA tests. Molecular DNA tests look for mutations and changes in one or more genes and detect gene-specific variants and family-inherited conditions. Chromosomal DNA tests can detect missing or extra chromosomes that point to conditions such as Down syndrome. Gene expression tests can determine whether certain genes are overactive or underactive, while biochemical DNA tests evaluate the activity level and amounts of proteins and enzymes in genes.
DNA tests can also be used to confirm paternity or maternity status and whether individuals are siblings or twins. DNA tests may even be used for legal reasons, such as to confirm biological relationships between adopted children and potential parents and biological statuses between individuals and deceased relatives. DNA tests are performed for several reasons, such as screening fetuses and newborns for genetic disorders and ruling out genetic conditions in adults. DNA tests may also be performed to detect whether you inherited a genetic disorder that runs in the family. Your doctor can often determine whether you can benefit from performing one or more DNA tests based on your family background, symptoms, and health conditions.
Many DNA tests are minimally invasive, though others may be more extensive based on the procedure. Blood samples are usually drawn from the arm or a prick on the finger, while tissue samples may be swabbed from the inside of the cheek or back of the throat. Other tests, such as those conducted on women during pregnancy, may involve inserting needles or a catheter into the uterus or cervix to collect amniotic fluid. Your doctor can talk to you in more detail about what to expect from a DNA test, including how long it will take and how to prepare for your procedure.
The cost of DNA testing can range anywhere from under $100 to more than $2,000, depending on factors including the type and number of tests being conducted, your geographical location, and the test provider. DNA tests may also be covered by your health insurance plan if your doctor deems these tests medically necessary in order to diagnose or better understand your condition. Ask the DNA test provider for more information about testing-related costs.
DNA testing is covered by many health insurance plans, especially when this procedure is recommended by your doctor. Contact your insurance provider directly to confirm whether it covers DNA testing, or ask the DNA testing provider to check your insurance benefits. It’s important to know that in some instances, people with health insurance may choose to pay for DNA testing out-of-pocket to prevent their insurance rates from increasing should test results uncover certain health conditions.
DNA testing can be conducted in a variety of healthcare settings, including labs, hospitals, and walk-in clinics. Consider asking your general physician whether they offer DNA testing services or if they can refer you to a nearby reputable DNA testing facility. Solv can also help you locate top-rated DNA testing facilities in your area.
Labs and healthcare facilities that perform DNA testing are subject to Clinical Laboratory Improvement Amendments (CLIA), which are federal regulatory standards that ensure the accuracy of DNA test results. CLIA standards cover testing methods, lab staff qualifications, quality control, and testing procedures. Ask your DNA test provider about whether their tests are CLIA-certified, and don’t hesitate to mention any concerns you may have regarding the accuracy of results.
Results from DNA tests may come back within a few weeks or several months based on the type of testing being conducted. Prenatal DNA test results usually come back within several days due to important considerations parents must make when genetic abnormalities are detected. Paternity DNA test results usually come back within four to six weeks. Ask your doctor for a timeframe regarding when you can expect to see your DNA test results.
DNA tests usually require you to provide a small sample of bodily tissues or fluids such as blood, hair, or skin. Your DNA sample is then sent to a lab where technicians examine it for changes or abnormalities in DNA, proteins, or chromosomes that may indicate the presence of certain health conditions or disorders. Most DNA tests are minimally invasive and take just a few minutes to perform.
Some DNA tests are available for purchase online or sold over-the-counter at drugstores and pharmacies and do not require a doctor’s approval. However, many DNA tests sold directly to the public are not certified by the CLIA and may produce inaccurate or unreliable results. The benefits of seeing your doctor before getting a DNA test include confirming whether or not testing is necessary and ensuring you get accurate results.
Booking a DNA test on Solv is convenient and hassle-free. Visit the Solv website, enter the type of testing service you need and your physical location, and click the search button. Solv will display a list of top-rated healthcare providers and labs in your area that offer this kind of testing service. Click on the provider of your choice, then use the contact information listed to book an appointment.
Collecting blood, hair, and other tissues for a DNA test usually only takes a few minutes. However, certain DNA tests, including those performed on pregnant women, such as amniocentesis, may take significantly longer. Contact the DNA testing provider ahead of time to find out exactly how long your appointment will last. You may also want to consider booking an appointment versus walking into a clinic to reduce the wait time for your DNA test.
Convenience, affordability, and guaranteed privacy are some of the many benefits associated with performing an at-home DNA test. However, it’s important to keep in mind that not all at-home DNA tests are reliable and accurate. Talk to your doctor about the benefits and risks of at-home DNA testing before trying it, as well as the brands they recommend and rely on to produce accurate results.
Updated on Oct 25, 2024
Solv has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references.
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