Persons with profound ID have IQ less than 20–25 (8,13,15,16). Persons with profound ID function at about 3 years of mental age and need high intensity, pervasive support across all environments (8,10,15,16). They have significant limitations in self-care, continence, communication and mobility., ID involves both a low IQ and problems adjusting to everyday life. There may also be learning, speech, social, and physical disabilities. Severe cases of ID may be diagnosed soon after, For mild ID, test scores fall between 50-70. This is below average but not as low as other types of ID. Next, we’ll look at moderate ID and how it differs from mild cases. 2. Moderate Severity Level. People with moderate intellectual disability need more help than those with mild cases., Due to changes in DSM-5 criteria for intellectual disability disorder, the three areas of criteria for diagnosing ID have much less focus on IQ. How might this be explained? a. The DSM-5 focuses less on IQ because this criterion will not result in any major shift in the numbers of people diagnosed with ID. b. The DSM-5 focuses less on IQ , Intellectual disability is one of several conditions known collectively as developmental disabilities. AAIDD stresses that additional factors must be taken into account when assessing intellectual disability, such as the community environment typical of the individual’s peers and culture., .