Finding reliable information about Sandhoff Disease and the NDIS can be difficult, especially where a diagnosis has several forms or a person needs help with more than one activity. This guide explores the condition, its possible daily impacts, access requirements and disability-related supports in Australia.

What is Sandhoff Disease?

Sandhoff disease is a rare inherited lysosomal storage condition caused by changes in the HEXB gene. It results in the accumulation of certain fatty substances within cells, affecting the brain and spinal cord. Infantile, juvenile and adult presentations differ markedly in severity and course; the infantile form is generally the most severe.

Every person is different. Their own abilities, interests and preferences should shape support arrangements, rather than an assumption that everyone with this diagnosis needs the same care.

Recognising characteristics and possible impacts

These are features that can occur and are not a substitute for a clinical assessment. Not every individual experiences all of them.

• Loss or slowing of early developmental motor milestones in the infantile form
• Muscle weakness, impaired coordination or changing posture
• Seizures in some people, requiring a clinician-approved management plan
• Changes in hearing, vision and communication
• Potential swallowing difficulties requiring individual medical assessment
• Juvenile and adult forms may have different movement, cognitive and mental health effects

How Sandhoff Disease may affect everyday activities

For a child, meaningful routines may focus on communication, comfort, safe positioning and support for the family. An adult with a later-onset form may prioritise mobility, accessible home activities and participation in community life.

Everyday life involves more than medical appointments. Consider communication, learning, movement at home and in the community, self-care, self-management, friendships and preferred activities. Recording what can be done independently, what requires prompting and what needs direct physical assistance gives a clearer account of functional capacity.

Practical strategies for families and support teams

• Use communication that recognises the person's responses, expressions and choices.
• Plan safe transfers, positioning and equipment through qualified allied health assessment.
• Follow specialist feeding or seizure plans where required; workers should only perform tasks for which they are trained.
• Adjust routines as abilities or comfort change, with the person and family involved.

Positive support practices focus on dignity, choice, consent and independence where possible. Any high-intensity or clinical tasks need the required individual plans, training and authorisation.

Does Sandhoff Disease qualify for NDIS support?

The 2024 List A names Sandhoff disease in its infantile form. Juvenile and adult-onset Sandhoff disease should be assessed on their own functional effects, rather than being described as automatically included in that exact List A entry.

The NDIS considers whether a person meets age and Australian residency rules, has disability arising from a permanent or likely permanent impairment, has substantially reduced functional capacity in at least one relevant area, experiences effects on participation and is likely to require NDIS supports for life. Early intervention has separate criteria. The disability name alone does not settle the decision.

The NDIS historical List A and B appendices provide guidance about diagnoses likely to meet some criteria. Review the current access rules as well; the final decision is always made by the NDIA.

Preparing information for an NDIS application

The most useful evidence connects a documented impairment to actual restrictions in daily life. A specialist diagnosis is valuable, but does not show on its own whether assistance is needed with personal care, communication or community participation.

1. Obtain relevant specialist documentation, including subtype or severity where historical list wording is specific.
2. Describe the permanence of the impairment and the effect of treatments already considered or received.
3. Document everyday activities that require help, equipment, supervision or environmental modifications.
4. Include functional assessments from allied health practitioners when they directly illustrate disability-related needs.
5. Record personal goals, impacts on social or work participation and the expected ongoing requirement for support.

Where abilities vary between days or over time, describe both the changes and the usual level of assistance rather than relying only on a good day or a difficult day.

Potential NDIS-funded supports and health system responsibilities

Subject to the person's individual approved plan, disability-related assistance may include personal care, community participation, support to practise everyday skills, relevant allied health input, assistive equipment and support coordination. Which supports are funded, their purpose and how much is available depend on NDIA rules, the person's goals and the approved plan.

NDIS funding is not general medical insurance. Diagnosis, medication, medical treatment, operations and ordinary clinical care are predominantly health-system responsibilities. Some specialist disability-related health supports have specific funding requirements. Support workers should not carry out complex healthcare tasks without necessary authorisation, clinical instructions and training.

How Beyond Health Services can assist

Beyond Health Services discusses individual goals and provides person-centred disability support arrangements across daily living, support workers, community access, relevant allied health services, nursing supports and support coordination. We listen to the participant and their family or chosen representative, understand communication preferences, review practical needs and discuss suitable staff skills.

Before arranging a service, we review the participant's care requirements, funding and referral process. We encourage collaboration with the person's existing healthcare professionals when a service involves complex needs.