Home / NDIS Glossary / Root Cause Analysis NDIS Glossary Term What is Root Cause Analysis in the NDIS? A structured technique to identify the underlying cause of an incident or issue. What you need to know Common methods: 5 Whys, Fishbone diagram. Document the method used. Related NDIS termsPost-Incident ReviewContinuous Improvement Last updated: 2026-04-28 · Provider Scale NDIS Glossary · Back to glossary index