Coffin-Siris Syndrome — NDIS Support

Yes — Coffin-Siris Syndrome can qualify for NDIS support. Children may access support through early childhood intervention, based on developmental need rather than a fixed diagnosis. Funding covers reasonable and necessary supports across daily living, therapy, social participation and capacity building.

Coffin-Siris Syndrome (CSS) is a rare genetic condition that affects development, growth and several body systems from birth. It is caused by changes in one of a group of genes that help control how other genes are switched on and off during development. Because it is diagnosed mainly through…

CSS & the NDIS FAQs

Is Coffin-Siris Syndrome eligible for the NDIS?
Because CSS usually causes permanent developmental delay and intellectual disability from early childhood, most children are likely to meet the NDIS disability requirements. Children under 7 can access the early childhood approach based on developmental need. A genetic diagnosis together with allied-health and…
How is Coffin-Siris Syndrome diagnosed?
CSS is diagnosed through a combination of clinical features — such as developmental delay, distinctive facial characteristics and an underdeveloped fifth finger or toenail — and genetic testing. A gene panel or broader genetic test usually confirms a change in one of the genes associated with the condition. Genetic…
What is the outlook for children with CSS?
The outlook varies with how significantly a child is affected. There is no cure, but early intervention and consistent therapy help children build communication, movement and daily-living skills, and many make steady progress over time. Most children need ongoing support into adulthood, tailored to their individual…
Will my child be able to talk and walk?
It varies. Many children with CSS have delayed speech and delayed motor milestones, and some have significant, lasting difficulties. With therapy, a number of children do learn to walk and communicate, and alternative and augmentative communication (AAC) helps children who have little or no speech to express…
What supports help most for children with CSS?
Early childhood intervention is central, alongside speech pathology for communication and feeding, physiotherapy and occupational therapy for movement and daily skills, and assistive technology where needed. Support workers help with care and participation, and support coordination helps families manage the several…

CSS & the NDIS — practical guides

Related conditions

Sources

Reviewed by the Novida editorial team · last reviewed 2026-07-12. General information only — not medical advice.