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Overview
About DNA
Basic
- Basic Test
Complete
- Complete Body Check
Pregnancy Test
- Pregnancy Checkup test
New born & Teenage Test's
- New born & Teenage Test's
Neurology Test
- Neurology Test
Oncology Test
- Oncology Test
Gynecology Test
- Gynecology Test
Diabetes Test
- Diabetes Test
Cardiology Test
- Cardiology Test
Nephrology & Urology
- Nephrology & Urology Combin Test
Why it's done
Diagnostic testing
If you have symptoms of a disease that may be caused by genetic changes, sometimes called mutated genes, genetic testing can reveal if you have the suspected disorder. For example, genetic testing may be used to confirm a diagnosis of cystic fibrosis or Huntington's disease.
Presymptomatic and predictive testing
If you have a family history of a genetic condition, getting genetic testing before you have symptoms may show if you're at risk of developing that condition. For example, this type of test may be useful for identifying your risk of certain types of colorectal cancer.
Pharmacogenetics
If you have a particular health condition or disease, this type of genetic testing may help determine what medication and dosage will be most effective and beneficial for you.
Carrier testing
If you have a family history of a genetic disorder — such as sickle cell anemia or cystic fibrosis — or you're in an ethnic group that has a high risk of a specific genetic disorder, you may choose to have genetic testing before having children. An expanded carrier screening test can detect genes associated with a wide variety of genetic diseases and mutations and can identify if you and your partner are carriers for the same conditions.
Prenatal testing
If you're pregnant, tests can detect some types of abnormalities in your baby's genes. Down syndrome and trisomy 18 syndrome are two genetic disorders that are often screened for as part of prenatal genetic testing. Traditionally this is done looking at markers in blood or by invasive testing such as amniocentesis. Newer testing called cell-free DNA testing looks at a baby's DNA via a blood test done on the mother.
Newborn screening
This is the most common type of genetic testing. In the United States, all states require that newborns be tested for certain genetic and metabolic abnormalities that cause specific conditions. This type of genetic testing is important because if results show there's a disorder such as congenital hypothyroidism, sickle cell disease or phenylketonuria (PKU), care and treatment can begin right away.
Preimplantation testing
Also called preimplantation genetic diagnosis, this test may be used when you attempt to conceive a child through in vitro fertilization. The embryos are screened for genetic abnormalities. Embryos without abnormalities are implanted in the uterus in hopes of achieving pregnancy
More Information
Genetic testing
Genetic testing can have emotional, social and financial risks as well. Discuss all risks and benefits of genetic testing with your doctor, a medical geneticist or a genetic counselor before you have a genetic test.
If you're being tested for a genetic disorder that runs in families, you may want to consider discussing your decision to have genetic testing with your family. Having these conversations before testing can give you a sense of how your family might respond to your test results and how it may affect them.
Not all health insurance policies pay for genetic testing. So, before you have a genetic test, check with your insurance provider to see what will be covered.
In the United States, the federal Genetic Information Nondiscrimination Act of 2008 (GINA) helps prevent health insurers or employers from discriminating against you based on test results. Under GINA, employment discrimination based on genetic risk also is illegal. However, this act does not cover life, long-term care or disability insurance. Most states offer additional protection.
Genetic testing
Results
Positive results
If the genetic test result is positive, that means the genetic change that was being tested for was detected. The steps you take after you receive a positive result will depend on the reason you had genetic testing.
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Negative results
A negative result means a mutated gene was not detected by the test, which can be reassuring, but it's not a 100 percent guarantee that you don't have the disorder. The accuracy of genetic tests to detect mutated genes varies, depending on the condition being tested for and whether or not the gene mutation was previously identified in a family member.
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Genetic counseling
Genetic counselling supports patients with personalized approaches to help them better understand the cause, and the implications of various genetic conditions.
The counsellor helps facilitate informed decision-making regarding testing options, test results, prevention and life planning.