About Social (Pragmatic) Communication Disorder (SCD)
By Kevin on
Name of the condition and other names that it’s been known by
• Social (Pragmatic) Communication Disorder (SCD)
• Social Communication Disorder (SCD)
• SPCD - sometimes used in research, but it is not the formal DSM name
• Pragmatic language impairment (an older term)
• Semantic-pragmatic disorder (an older term)
“Pragmatic” means using and understanding communication in real situations. It includes taking turns, changing how you communicate for the listener, using gestures or tone, and understanding hints. Culture and context matter. A difference between cultures is not a disorder by itself.
Acronyms
• DSM - Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association
• DSM-5-TR - Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision, published by the American Psychiatric Association (APA) in March 2022
• ASHA: American Speech-Language-Hearing Association
• AAC: Augmentative and Alternative Communication
• IEP: Individualized Education Program
• IDEA: Individuals with Disabilities Education Act
• Section 504: Section 504 of the Rehabilitation Act of 1973
• ADDM: Autism and Developmental Disabilities Monitoring (Network)
• MMWR: Morbidity and Mortality Weekly Report
• C.F.R.: Code of Federal Regulations
What is Social (Pragmatic) Communication Disorder?
Social (Pragmatic) Communication Disorder (SCD) is a communication disorder that starts early in a child's development. The DSM (see acronym above) places it in the category of neurodevelopmental disorders. A person with SCD has ongoing trouble using spoken, written, or nonverbal communication for social reasons. This trouble may not be obvious until social situations become more difficult.
The DSM-5-TR lists four required areas:
1. Using communication for social reasons in ways that fit the setting, such as greeting people or sharing news.
2. Changing communication to fit the setting or listener.
3. Following rules for conversations and stories, such as taking turns, trying again, and using words, gestures, and tone.
4. Understanding what is not said directly, such as hints, humor, sayings, unclear language, and words with more than one meaning.
All four areas must be present. The problems must limit daily life, such as communication, relationships, school, or work. Another medical, brain, language, developmental, or mental health condition must not better explain them.
Some people with SCD know many words and use grammar well. Others also have a language disorder. A full evaluation checks which problem best explains the social communication difficulties. Examples include talking for a long time without noticing that the listener has lost interest. A person may use the same style with a teacher and a close friend. They may miss hints or jokes, give too little or too much information, or have trouble telling a clear story. These examples do not prove a diagnosis.
SCM and Autism
SCD and autism are not diagnosed together. Autism must be ruled out first. The professional looks for the required restricted or repetitive patterns of behavior, interests, or activities, including current and early-history signs. If the person meets all autism diagnostic criteria, the diagnosis is autism, not SCD.
What are the different types or levels of SCD?
The DSM-5-TR does not list official SCD types or severity levels. Each person can have a different mix of needs.
A person may need more help in one or more areas:
• Joining a conversation, taking turns, and staying on topic.
• Using or understanding facial expressions, gestures, tone of voice, and other signals without words.
• Understanding hints, humor, sarcasm, sayings, and unclear language.
• Changing communication for different people, settings, or goals.
• Making or keeping relationships and joining group talks.
• Telling a clear story or explaining events in order.
How is SCD diagnosed?
No single test can diagnose SCD. A full evaluation uses several tools and information from more than one person and setting. A speech-language pathologist (SLP) has a central role. Other team members may include a doctor, psychologist, hearing specialist, teacher, and family or caregivers.
The evaluation may look at:
• Early development, communication, school or work, and relationships.
• Interviews, questionnaires, tests, and observations in real or realistic settings.
• Spoken, written, visual, and nonverbal communication.
• All four SCD areas and how they affect daily life.
• Hearing, language, learning, thinking, attention, mental health, and medical or brain conditions.
• Current and past signs of autism, including restricted or repetitive behavior, routines, interests, and sensory features.
• The person’s language, culture, family, community, and communication goals.
• Social rules differ across cultures, families, and communities. Eye contact, gestures, and conversation style do not have one “correct” form. The evaluation must separate a disorder from a cultural or personal difference.
How is SCD treated?
Support should match the person’s needs and goals. ASHA recommends work on useful communication in daily life. Goals should fit the person’s age, strengths, language, culture, settings, and priorities.
• One-to-one or group speech-language therapy.
• Practice starting, continuing, fixing, and ending conversations.
• Work on taking turns, changing topics, telling stories, and giving the right amount of information.
• Help with hints and other meaning that is not said directly.
• Practice in home, school, work, and community settings.
• Teaching other people how to make communication clearer.
• Visual supports, technology, or augmentative and alternative communication (AAC), when helpful.
School Support: IEPs and Section 504
An SCD diagnosis does not automatically give a student an IEP or Section 504 plan. Under IDEA, the student must fit an IDEA disability category and need special education because of it. A communication disorder may fit the speech or language impairment category if it harms school performance. Under Section 504, a student may qualify if an impairment greatly limits a major life activity, such as speaking, learning, or communicating. The school must review each student’s needs. State rules may also apply.
Trend
• An exact U.S. rate of SCD is not known.
History
The American Psychiatric Association added SCD to DSM-5 in 2013. DSM-5-TR, published in 2022, keeps the diagnosis and its official name. The DSM lists SCD under Communication Disorders. That section is part of Neurodevelopmental Disorders.
Before 2013, researchers used terms such as pragmatic language impairment and semantic-pragmatic disorder. These older terms do not always match today’s SCD rules.
Researchers are still studying how to measure SCD, how common it is, how it overlaps with other conditions, and which supports work best.
Sources of Information
• American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR). 2022.
• American Psychiatric Association. Social (Pragmatic) Communication Disorder. DSM-5 fact sheet. 2013.
• American Speech-Language-Hearing Association. Social Communication Disorder, Practice Portal. Accessed August 17, 2026.
• Centers for Disease Control and Prevention. Clinical Testing and Diagnosis for Autism Spectrum Disorder. Updated May 8, 2025.
• Centers for Disease Control and Prevention. Prevalence and Early Identification of Autism Spectrum Disorder Among Children Aged 4 and 8 Years—ADDM Network, 16 Sites, United States, 2022. MMWR. 2025;74(2):1-22.
• Ellis Weismer S, Tomblin JB, Durkin MS, Bolt D, and Palta M. A preliminary epidemiologic study of social (pragmatic) communication disorder in the context of developmental language disorder. International Journal of Language & Communication Disorders. 2021;56:1235-1248.
• Swineford LB, Thurm A, Baird G, Wetherby AM, and Swedo S. Social (Pragmatic) Communication Disorder: A Research Review of This New DSM-5 Diagnostic Category. Journal of Neurodevelopmental Disorders. 2014;6:41.
• U.S. Department of Education. IDEA regulations, 34 C.F.R. § 300.8: Child with a disability, including speech or language impairment.
• U.S. Department of Education, Office for Civil Rights. Frequently Asked Questions: Section 504 Free Appropriate Public Education.
For informational purposes only. Consult a qualified medical professional for advice.