Genetic Testing: Results and Values

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Category : Health Centers > Genetics and Birth Defects

Genetic Testing

Genetic Testing | Preparation & Expectations | Results and Values

What do the test results mean?

Biochemical tests are sometimes imprecise. Often, such tests are repeated. If the first test is definite and the repeat is positive, the disease is present. DNA tests are definite. If an abnormal sequence of coding elements is found, the disease is present. Repeat testing is not necessary. Chromosome analysis also is definite. Repeat testing is not necessary.

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Genetic Testing: Preparation & Expectations

Author: Ronald J. Jorgenson, DDS, PhD, FACMG
Reviewer: Eileen McLaughlin, RN, BSN
Date Reviewed: 08/07/01

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