| Abbreviation | Meaning / Definition |
| Conditions /Symptoms |
| ADD | Attention Deficit Disorder |
| ADHD | Attention Deficit and Hyperactivity Disorder |
| AS | Asperger's Syndrome |
| ASC | Autistic Spectrum Condition |
| CD | Conduct Disorder |
| DAMP | Disorders of attention, motor and perception (syndrome) |
| Hyperactivity | Hyperactivity |
| Hypersensitivity | Food-Related Hypersensitivity Disease |
| KS | Kanner's Syndrome |
| LD | Learning Difficulties |
| MBD | Minimal Brain Dysfunction |
| MLD | Moderate learning difficulties |
| MSBP | Munchausen syndrome by proxy |
| NVD | Non-verbal difficulties |
| OCD | Obsessive compulsive disorder |
| ODD | Opposition Defiant Disorder |
| PDD | Pervasive Development Disorders |
| PDD-NOS | Pervasive Development Disorders, not otherwise specified |
| SEN | Special educational needs |
| SLD | Severe learning difficulties |
| Diagnosis Documents |
| DSM-IV-TR | Diagnostic and Statistical Manual of Mental Disorders (4th Edition) - Document TR |
| WISC | Wechsler Intelligence Scale for Children |
| Organisations |
| APA | American Psychiatric Association |
| BPS | British Psychological Society |
| CHADD | Children and Adults with Attention Deficit Disorder (USA) |
| NAS | National Autistic Society (UK) |
| HACSG | The Hyperactive Children's Support Group |