Skip to content
Inciteful Med

Genetic Testing and Navigating the Diagnosis

Last updated:

Predictive genetic testing for Huntington's disease follows a strict protocol involving genetic counseling, psychological assessment, and in-person results. Direct-to-consumer tests are not recommended due to the profound emotional and psychological impact of the results.

Key Takeaways

  • • Predictive testing for Huntington's disease requires a rigorous protocol involving genetic counseling and psychological assessments.
  • • Direct-to-consumer genetic tests are strongly discouraged for HD due to a lack of accuracy validation and emotional support.
  • • Knowing your genetic status can cause significant psychological impacts, such as living in 'limbo' or experiencing survivor's guilt.
  • • Patients should consider insurance implications, result confidentiality, and their personal support systems before undergoing testing.
  • • Family planning options like PGT-M and IVF allow at-risk individuals to have children without passing on the Huntington's gene.

Navigating the decision to get tested for Huntington’s Disease (HD) is a deeply personal journey. Because HD is a life-altering genetic condition, medical experts use a rigorous, multi-step process designed to protect your mental health and autonomy [1][2].

The “Gold Standard” Testing Protocol

Predictive testing for HD is never a simple blood draw. It follows a formal protocol that is considered the “gold standard” for genetic counseling [2][3]. This protocol typically includes:

  1. Genetic Counseling: Meeting with a specialist to discuss the science of HD, inheritance patterns, and the potential impact on your life and family [1][4].
  2. Psychological Assessment: A session with a psychologist or psychiatrist to ensure you are emotionally prepared for the results and have a support system in place [1][2].
  3. The Decision Period: A “cooling-off” period where you can change your mind at any time before the test is performed [5].
  4. Result Delivery: Results are always given in person (or via a secure, private video call) so that you can receive immediate support and ask questions [6].

A Note on Direct-to-Consumer (DTC) Tests: While some companies offer “health reports” online, these are not recommended for HD. They lack the emotional support, accuracy validation, and genetic counseling required to handle such sensitive information safely [2][7].

Life in the “Limbo” State

Testing for HD often places individuals in a complex psychological space:

  • The Liminal State: Gene carriers who do not yet have symptoms often describe living “in limbo” or an “at-risk” identity [6]. You know the gene is there, but you don’t know when—or exactly how—it will change your life [7].
  • Survivor’s Guilt: Surprisingly, testing negative can also be difficult. Many people feel a sense of guilt or “mission” if their siblings or parents are gene-positive while they are not [8][9].

Testing Checklist: Things to Consider

Before moving forward with a genetic test, consider the following:

  • [ ] Insurance: Have I looked into life, long-term care, or disability insurance? (Genetic status can sometimes affect these applications).
  • [ ] Confidentiality: Have I discussed with my counselor how these results will be stored in my medical records? [10]
  • [ ] Support: Who will be in the room with me when I get my results?
  • [ ] Timing: Is now a stable time in my life, or am I currently dealing with other major stressors? [6]
  • [ ] Family Planning: Am I testing to make decisions about having children? Options like PGT-M (Preimplantation Genetic Testing for Monogenic disorders) allow families to use In Vitro Fertilization (IVF) to test embryos and ensure the HD gene is not passed on to their children, sometimes without the parent even needing to know their own gene status [2].

Frequently Asked Questions

What is the process for Huntington's disease genetic testing?
The gold standard protocol involves several steps to protect your mental health. It includes formal genetic counseling, a psychological assessment, a cooling-off period, and receiving your results in person or via a secure video call.
Are direct-to-consumer DNA tests safe for Huntington's disease?
No, direct-to-consumer online tests are not recommended for Huntington's disease. They lack the necessary accuracy validation, emotional support, and professional genetic counseling required to safely handle such sensitive information.
Can I have children without passing on the Huntington's disease gene?
Yes, family planning options like Preimplantation Genetic Testing (PGT-M) combined with IVF can test embryos to ensure the HD gene is not passed to your children. This can sometimes be done without you needing to learn your own genetic status.
How might Huntington's genetic testing affect my insurance?
Your genetic status can potentially impact applications for life, long-term care, or disability insurance. It is highly recommended to secure these policies and discuss result confidentiality with your counselor before undergoing testing.
Why might a negative genetic test result be difficult to handle?
Testing negative can sometimes lead to survivor's guilt, especially if your parents or siblings are gene-positive. It is a complex psychological experience that often requires ongoing emotional support and counseling.

Questions for Your Doctor

  • • How many counseling sessions do you recommend before I make a final decision about predictive testing?
  • • If I test positive, what specific psychological support resources does this clinic provide?
  • • How do you handle the confidentiality of my results, especially regarding my electronic medical record?
  • • What is the difference between this clinical test and a direct-to-consumer genetic test I might find online?
  • • Could you explain more about PGT-M options if I decide I want to have children in the future?

Questions for You

  • • Why do I want to know my status right now? Is there a specific life event (like family planning or career changes) driving this?
  • • How have I handled difficult medical news in the past, and who is my primary support person during this process?
  • • If the result is 'gene-positive,' how do I think my daily life or outlook might change?
  • • If the result is 'gene-negative,' have I considered the possibility of feeling 'survivor's guilt' if other family members are affected?

Want personalized information?

Type your question below to get evidence-based answers tailored to your situation.

References

  1. 1

    Guidelines for presymptomatic testing for Huntington's disease: past, present and future in France.

    Clément S, Gargiulo M, Feingold J, Durr A

    Revue neurologique 2015; (171(6-7)):572-80.

    PMID: 26002494
  2. 2

    Predictive Genetic Counseling for Neurodegenerative Diseases: Past, Present, and Future.

    Goldman JS

    Cold Spring Harbor perspectives in medicine 2020; (10(7)) doi:10.1101/cshperspect.a036525.

    PMID: 31548223
  3. 3

    Genetic counseling and testing for Huntington's disease: A historical review.

    Nance MA

    American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics 2017; (174(1)):75-92 doi:10.1002/ajmg.b.32453.

    PMID: 27174011
  4. 4

    Complexities in Genetic Counseling and Testing of Huntington's Disease: A Perspective from India.

    Ratna N, Pasupulati SL, Nadella RK, et al.

    Neurology India 2022; (70(5)):2141-2144 doi:10.4103/0028-3886.359184.

    PMID: 36352624
  5. 5

    Perspectives on Genetic Testing and Return of Results from the First Cohort of Presymptomatically Tested Individuals At Risk of Huntington Disease.

    Stuttgen KM, Bollinger JM, Dvoskin RL, et al.

    Journal of genetic counseling 2018; (27(6)):1428-1437 doi:10.1007/s10897-018-0274-0.

    PMID: 29967967
  6. 6

    Evaluating a genetic counseling narrative group session for people who have tested positive for the Huntington's disease expansion: An interpretative phenomenological analysis.

    Spiers J, Smith JA, Ferrer-Duch M, et al.

    Journal of genetic counseling 2020; (29(6)):1015-1025 doi:10.1002/jgc4.1229.

    PMID: 32077165
  7. 7

    Huntington Disease: Genetics, Prevention, and Therapy Approaches.

    Yapijakis C

    Advances in experimental medicine and biology 2017; (987()):55-65 doi:10.1007/978-3-319-57379-3_6.

    PMID: 28971447
  8. 8

    Psychosocial impact on individuals who received negative test results from predictive testing for Huntington's disease: An exploratory qualitative study.

    Osawa H, Matsukawa M, Yoshida A, et al.

    Journal of genetic counseling 2025; (34(2)):e1981 doi:10.1002/jgc4.1981.

    PMID: 39367595
  9. 9

    Psychological reactions to predictive genetic testing for Huntington's disease: A qualitative study.

    Tillerås KH, Kjoelaas SH, Dramstad E, et al.

    Journal of genetic counseling 2020; (29(6)):1093-1105 doi:10.1002/jgc4.1245.

    PMID: 32162754
  10. 10

    Presymptomatic Testing and Confidentiality in the Age of the Electronic Medical Record.

    Black KJ, Barton SK, Perlmutter JS

    The Journal of neuropsychiatry and clinical neurosciences 2021; (33(1)):80-83 doi:10.1176/appi.neuropsych.20030068.

    PMID: 32669021

This page provides educational information about the Huntington disease genetic testing process. It does not replace professional medical advice or formal genetic counseling.

Stay up to date

Get notified when new research about Huntington disease is published.

No spam. Unsubscribe anytime.