DSM-5 Autism Criteria in Plain Language

A DSM-5 autism diagnosis requires persistent differences in two areas: social communication and interaction, and restricted or repetitive patterns of behavior, interests, or activities. Both must be present from the early developmental period, cause significant impairment, and not be better explained by another condition. Applying these criteria is the work of a qualified professional.
The Two Core Areas
A DSM-5 autism diagnosis requires persistent differences in two areas:
- Social communication and interaction
- Restricted or repetitive patterns of behavior, interests, or activities
Both must be present from the early developmental period, cause significant impairment, and not be better explained by another condition.
Area 1: Social Communication
All three of these must be present:
- Back-and-forth social interaction differences
- Nonverbal communication differences (eye contact, body language, facial expressions)
- Difficulty developing or maintaining relationships
Area 2: Restricted and Repetitive Behaviors
At least two of these four must be present:
- Repetitive movements or speech (stimming, echolalia)
- Insistence on sameness
- Highly restricted, fixated interests
- Sensory hyper- or hyporeactivity
The inclusion of sensory criteria in DSM-5 was a significant change from DSM-IV.
Levels and Their Limitations
DSM-5 defines three support levels:
- Level 1: requires support
- Level 2: requires substantial support
- Level 3: requires very substantial support
These levels are widely criticized for oversimplifying a complex picture. A person's presentation varies across settings and time, and levels do not predict intelligence, communication ability, or quality of life.
What the Criteria Miss
The DSM-5 criteria were developed primarily from research on white males diagnosed in childhood. They describe that population more accurately than women, girls, people of color, and late-diagnosed individuals who mask effectively. Internal experiences like burnout, alexithymia, and double empathy are largely invisible to the diagnostic framework.
Frequently Asked Questions
What are the two core areas of the DSM-5 autism criteria?
A DSM-5 autism diagnosis requires persistent differences in two areas: social communication and interaction, and restricted or repetitive patterns of behavior, interests, or activities. Both must be present from the early developmental period, cause significant impairment, and not be better explained by another condition.
How many criteria must be present in each area?
In the social communication area, all three criteria must be present: back-and-forth social interaction differences, nonverbal communication differences, and difficulty developing or maintaining relationships. In the restricted and repetitive behaviors area, at least two of the four must be present.
What are the DSM-5 support levels?
DSM-5 defines three support levels: Level 1 requires support, Level 2 requires substantial support, and Level 3 requires very substantial support. These levels are widely criticized for oversimplifying a complex picture, and they do not predict intelligence, communication ability, or quality of life.
What changed in the criteria from DSM-IV?
The inclusion of sensory criteria, meaning sensory hyper- or hyporeactivity, was a significant change from DSM-IV.
Who do the DSM-5 criteria describe least accurately?
The criteria were developed primarily from research on white males diagnosed in childhood, so they describe that population more accurately than women, girls, people of color, and late-diagnosed individuals who mask effectively.
What do the criteria miss?
Internal experiences like burnout, alexithymia, and the double empathy problem are largely invisible to the diagnostic framework.
We are not doctors. We are advocates. Nothing on this site constitutes medical advice. Always consult a qualified healthcare provider about diagnosis, treatment, or any decision regarding your health or your child's health.