Illinois Order for Genetic Marker Groups (DNA) Medical Testing is a specialized type of medical testing used to detect genetic markers that may indicate the presence of a genetic disorder or disease. This type of testing is often used when a patient's family history or medical history suggests an increased risk of a genetic disorder. It is also used to identify carriers of genetic conditions in order to provide genetic counseling. There are several types of Illinois Order for Genetic Marker Groups (DNA) Medical Testing, including: • Single Gene Disorder Testing: This type of testing is used to identify mutations in specific genes that are associated with certain genetic disorders. • Chromosomal Abnormality Testing: This type of testing is used to identify abnormalities in chromosomes, which can indicate an increased risk for certain genetic disorders. • Carrier Testing: This type of testing is used to identify carriers of genetic conditions in order to provide genetic counseling. • Prenatal Testing: This type of testing is used to identify genetic disorders in a fetus prior to birth. • Newborn Screening: This type of testing is used to identify certain genetic disorders in newborns. Preimplantationon Genetic Diagnosis (PGD): This type of testing is used to identify genetic disorders prior to in vitro fertilization (IVF).