FOI 25/26-2132 & FOI 25/26 -2133 Document 11 OFFICIAL
Impairment Categories
Guidance Table
Version: 3
Date: 30 January 2026
Author: Participant Outcomes, Evidence and Evaluation
Division: Policy and Practice Leadership
The contents of this document are OFFICIAL.
ndis.gov.au
FOI 25/26-2132 & FOI 25/26 -2133 OFFICIAL
Revised Impairment Categorisation Guidance.
(The following guide should be used in consultation with TAPIB advice. Mandatory and Non-Mandatory Advice Requests - Technical Advice and Practice Improvement Branch)
| Condition | ICD 10 code | Highly likely | Commonly associated | Change from previous version |
|---|---|---|---|---|
| Autism | ||||
| Autism (ASD – includes Asperger syndrome) | 84.0 84.5 |
Neurological | Intellectual Cognitive Physical Psychosocial |
|
| Acquired Brain Injury | ||||
| Glioblastoma | G71.9 | Neurological | Cognitive Physical Psychosocial |
|
| Hypoxic brain injury | G93.1 | Neurological | Cognitive Physical Psychosocial |
|
| Traumatic brain injury (also called head injury and acquired brain damage) | T90 | Neurological | Cognitive Physical Psychosocial |
|
| Stroke | I69 | Neurological | Cognitive Physical Sensory Psychosocial |
|
| Malignant neoplasm of brain | C71 | Neurological | Cognitive Psychosocial |
FOI 25/26-2132 & FOI 25/26 -2133 OFFICIAL
| Condition | ICD 10 code | Highly likely | Commonly associated | Change from previous version |
|---|---|---|---|---|
| Intellectual disability | ||||
| Mild intellectual disability | F70 | Intellectual | Cognitive Neurological Psychosocial |
|
| Moderate intellectual disability | F71 | Intellectual | Cognitive Neurological Physical Psychosocial |
|
| Severe intellectual disability | F72 | Intellectual | Cognitive Neurological Physical Psychosocial |
|
| Profound intellectual disability | F73 | Intellectual | Cognitive Neurological Physical Psychosocial |
|
| Unspecified intellectual disability | F79 | Intellectual | Cognitive Neurological Sensory Physical Psychosocial |
|
| Other conditions/syndromes with intellectual disability | ||||
| Global developmental delay | 84.01 | Intellectual | Neurological Physical Cognitive |
Category added to ensure consistent approach for assigning impairment when GDD is listed as |
FOI 25/26-2132 & FOI 25/26 -2133 OFFICIAL
| Condition | ICD 10 code | Highly likely | Commonly associated | Change from previous version |
|---|---|---|---|---|
| the primary impairment. | ||||
| Microcephaly | Q02 | Intellectual | Cognitive Neurological Sensory Physical |
|
| Other congenital brain conditions (e.g. tuberous sclerosis) | Q04 | Intellectual | Cognitive Neurological Physical |
|
| Cornelia de Lange syndrome | Q87.1 | Intellectual | Cognitive Neurological Sensory Physical Psychosocial |
|
| Prader Willi syndrome | Q87.1 | Intellectual | Cognitive Neurological Physical Psychosocial |
|
| Coffin-Lowry syndrome | Q87.8 | Intellectual | Cognitive Neurological Sensory Physical Psychosocial |
|
| Other congenital conditions (causing intellectual disability) | Q89 | Intellectual | Cognitive Neurological Sensory Physical Psychosocial |
|
| Edwards syndrome | Q91 | Intellectual | Cognitive Neurological Sensory |
FOI 25/26-2132 & FOI 25/26 -2133 OFFICIAL
| Condition | ICD 10 code | Highly likely | Commonly associated | Change from previous version |
|---|---|---|---|---|
| Physical Psychosocial |
||||
| Patau syndrome | Q91 | Intellectual | Cognitive Neurological Sensory Physical Psychosocial |
|
| Cri du Chat syndrome | Q93.4 | Intellectual | Cognitive Sensory Physical |
|
| Angelman syndrome | Q93.5 | Intellectual | Cognitive Neurological Physical |
|
| Other chromosomal syndromes (including Kabuki & Williams syndromes) | Q99 | Intellectual | Cognitive Neurological Sensory Physical Psychosocial |
|
| Fragile X syndrome | Q99.2 | Intellectual For males Cognitive for females |
Cognitive Neurological Sensory Physical Psychosocial |
|
| Down Syndrome | Q90 | Intellectual | Cognitive Physical Sensory |
|
| Hearing | ||||
| Hearing Loss | H90 | Sensory | Cognitive | |
| Congenital Hearing condition | Q16.9 | Sensory | Cognitive |
Agency. Insurance Disability National the by 1982 Act Information of Freedom the under released was document This
Agency. Insurance Disability National the by 1982 Act Information of Freedom the under released was document This
Agency. Insurance Disability National the by 1982 Act Information of Freedom the under released was document This
Agency. Insurance Disability National the by 1982 Act Information of Freedom the under released was document This
Agency. Insurance Disability National the by 1982 Act Information of Freedom the under released was document This
Agency. Insurance Disability National the by 1982 Act Information of Freedom the under released was document This
Agency. Insurance Disability National the by 1982 Act Information of Freedom the under released was document This
FOI 25/26-2132 & FOI 25/26 -2133 OFFICIAL
Version Control Table
| Version | Amended by | Brief description of change | Status | Date |
|---|---|---|---|---|
| 2 | Tina redacted: s47F - personal privacy |
Changes to impairment categories based on DRO feedback | APPROVED | 08/09/2025 |
| 3 | Rebecca redacted: s47F - personal privacy |
Change dementia-related categories to ensure “commonly associated” aligns with aetiology. Add GDD as a support condition to assignment of impairment categories at access. | To be approved | 02/02/2026 |
ndis.gov.au 30 January 2026 | Impairment Categories Guidance 13
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