Ultimately, it’s a matter of quality of life (QOL). For instance, here’s a list of common conditions that typically impact patients (QOL) enough to qualify for the Canadian disability tax credit and child disability benefit:
Addictions (illegal or prescription meds)
ADHD combined type (ADHD-C)
ADHD Primarily Hyperactive/Impulsive (ADHD, ADHD-PH/I)
ADHD Primarily Inattentive (ADD, ADHD-PI)
Agoraphobia (anxiety disorder)
Amyotrophic lateral sclerosis (Lou Gehrig’s disease)
Ataxia (Cerebellar Dysfunction)
Auditory Processing Disorder (APD)
Bi-polar disorder (mood disorder)
Borderline personality disorder (BPD)
Chronic fatigue syndrome (CFS)
Coronary artery disease (CAD)
Cri-du-Chat syndrome (Deletion 5p Syndrome)
Crohn’s disease (Regional Enteritis)
De Vivo Disease (GLUT1 deficiency syndrome)
Depression (Clinical, Major, Unipolar)
Developmentally Delayed (DD)
Dissociative Identity Disorder
Dressing (can’t dress or takes significantly longer)
Feeding (can’t feed themselves or takes significantly longer)
Fetal alcohol syndrome (FAS)
Generalized anxiety disorder (GAD)
Global Developmental Delay (GDD)
Hearing Disorder (unable to hear or takes significantly longer)
Infantile Spasms (Infant Epilepsy)
Irritable Bowel syndrome (IBS)
Learning Disabilities (Special needs)
Mild Intellectual disability (MID)
Obsessive-compulsive disorder (OCD)
Oppositional defiant disorder (ODD)
Pervasive developmental disorder (PDD)
Post traumatic stress disorder (PTSD)
Prader-Willi syndrome (PWS)
Speech disorder (unable to speak or takes significantly longer)
Specific developmental disorder (SDD)