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Difficulty: MediumConfidentiality and Privacy

A 35-year-old male patient schedules a follow-up appointment to review the results of predictive genetic testing. His father was diagnosed with Huntington disease six months ago, prompting the patient to seek testing. The laboratory analysis reveals a CAG trinucleotide repeat expansion in the HTT gene, indicating that he is destined to develop the condition. Upon hearing the news, he becomes visibly distressed. The patient is employed as a driver for the city's public transit system. A detailed neurologic assessment performed today reveals intact cranial nerves, normal tone and bulk, and no evidence of choreiform movements or coordination deficits. Cognitive testing is unremarkable. The patient states, 'You cannot share this with anyone, especially my boss. My family depends on my salary, and I am perfectly capable of doing my job.' Which of the following is the most appropriate action by the physician?

  1. Maintain patient confidentiality and do not disclose the test results to the employer.Answer
  2. B
    Notify the transit authority immediately due to the potential hazard to public safety.
  3. C
    Contact the state motor vehicle department to request a medical evaluation of his driving privileges.
  4. D
    Disclose the findings to the patient's spouse to ensure she can monitor him for early disease manifestations.
  5. E
    Advise the patient that genetic conditions affecting motor function are legally required to be reported.

Answer

Maintain patient confidentiality and do not disclose the test results to the employer.
The most appropriate action is to maintain confidentiality and withhold the test results from the employer. Physicians have a fundamental ethical and legal obligation to protect patient privacy. While exceptions exist for situations where a patient poses a severe, imminent, and foreseeable threat to public safety (e.g., an actively seizing patient who refuses to stop driving a commercial vehicle), this threshold is not met by a genetic diagnosis that predicts future illness. Because this patient's current neurologic and cognitive examinations are completely normal, he has no active impairment and poses no immediate danger to his passengers. Therefore, breaching confidentiality is legally and ethically prohibited.

Step-by-Step Solution

1
Evaluate the patient's current clinical status and risk level.
The patient is completely asymptomatic with a normal neurologic and cognitive examination.
To determine if there is an active impairment that poses a threat to public safety.
2
Assess the ethical and legal threshold for breaching confidentiality.
Breaching confidentiality for public safety requires an imminent and severe threat, which is absent in an asymptomatic carrier of a future disease.
A genetic diagnosis indicating future illness does not justify overriding patient privacy today.
3
Determine the most appropriate interaction with the employer and third parties.
The physician must respect the patient's autonomous request and withhold the information.
There is no legal mandate or ethical justification to disclose the information to the transit authority, state licensing boards, or family members against the patient's wishes.

Key Concept

Physicians must maintain confidentiality regarding genetic test results; exceptions for public safety apply only when a patient has a current, active impairment that poses an imminent threat to others, not for a future risk of disease.
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Topics

Confidentiality and Privacy

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