Question 1

What is the difference between a geneticist and a genetic counselor?

Accepted Answer

A medical geneticist is a physician (MD/DO) who diagnoses and treats genetic conditions, can prescribe medications, and manages complex medical aspects of hereditary diseases. A genetic counselor has a master's degree in genetic counseling and specializes in educating patients about genetic risks, helping interpret test results, and providing emotional support. They often work together as a team to provide comprehensive genetic care.

Question 2

How long does genetic testing take?

Accepted Answer

Turnaround time varies by test type. Single-gene tests typically take 2-4 weeks. Multi-gene panels take 3-6 weeks. Whole exome or genome sequencing can take 8-16 weeks. Prenatal testing results may be expedited. Some pharmacogenomic tests can be completed in days. Your genetics team will provide specific timelines based on the tests ordered.

Question 3

Will genetic testing affect my insurance?

Accepted Answer

The Genetic Information Nondiscrimination Act (GINA) prohibits health insurers and employers from discriminating based on genetic information. However, GINA does not cover life insurance, disability insurance, or long-term care insurance. It's important to discuss these considerations with your genetic counselor before testing.

Question 4

Should my family members be tested if I have a genetic condition?

Accepted Answer

This depends on the specific condition, inheritance pattern, and whether actionable interventions exist. For conditions like hereditary cancer syndromes, testing at-risk relatives can be lifesaving by enabling enhanced surveillance and prevention. Your geneticist can help determine which family members should be offered testing and facilitate this process.

Question 5

What if genetic testing doesn't find a cause for my condition?

Accepted Answer

A negative or inconclusive result doesn't rule out a genetic cause. Current testing cannot detect all genetic variants, and our understanding of the genome continues to evolve. Reanalysis of existing data as knowledge advances, additional testing, or research studies may eventually provide answers. Your geneticist can discuss next steps and research opportunities.

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