Common Acronyms Used in Autism



AAC - Augmentative and Alternative Communication

ABA - Applied Behavior Analysis

ABC - Antecedent, Behavior, Consequence

ABLLS - Assessment of Basic Language and Learning Skills test

ADA - Americans with Disabilities Act

ADD - Attention Deficit Disorder

ADHD - Attention Deficit Hyperactivity Disorder

ADOS - Autism Diagnostic Observation Schedule

AIT - Auditory Integration Therapy

APD - Auditory Processing Disorder

APE - Adaptive Physical Education

ASD - Autistic Spectrum Disorder

AT - Assistive Technology

ATEC - Autism Treatment Evaluation Checklist


BBRS - Burks Behavior Rating Scales

BCBA - Board Certified Behavioral Analyst

BD - Behavioral Disorder

BED - Body Ecology Diet

BIP - Behavior Intervention Plan

BSC - Behavior Specialist Consultant


CAPD - Central Auditory Processing Disorder

CARD - Center for Autism and Related Disabilities

CARS - Childhood Autism Rating Scale

CBT - Cognitive Behavioral Therapy

CD - Conduct Disorder

CF - Casein Free

CFD - Cerebral Folate Deficiency

CI - Community Integration

CLA - Community Living Arrangement

CMMS - Center for Medicare and Medicaid Services

CPT - Current Procedural Terminology (procedure codes used for insurance billing)

CVPD - Central Vision Processing Disorder


DAS - Developmental Apraxia of Speech

DAS - Differential Abilities Scales

DCD - Development Coordination Disorder

DD - Department of Disabilities/Developmentally Delayed/Developmental Disorder

DDD - Department of Developmental Disabilities

DH - Developmentally Handicapped

DHHS - Department of Health and Human Services

DIR - Developmental, Individual-differences, Relationship-based Model

DREDF - Disability Rights Education Defense Fund

DS - Developmental Services

DSM - Diagnostic and Statistical Manual of Mental Disorders (by the American Psychiatric Association)

DTT - Discrete Trial Training

DX - Diagnosis, diagnosed


EBD - Emotional Behavioral Disorder

ECI - Early Childhood Intervention

ECSE - Early Childhood Special Education

ED - Emotionally Disturbed

EFA - Essential Fatty Acids

EFD - Executive Functioning Disorder

EH - Emotionally Handicapped

EI - Early Intervention

EIBI - Early Intensive Behavioral Intervention

EMF - Electromagnetic Field

EMH - Educable Mentally Handicapped

EPSDT - Early and Periodic Screening, Diagnosis, and Treatment (Medicaid Program)

ESY - Extended School Year


FAPE - Free Appropriate Public Education

FBA - Functional Behavioral Assessment

FC - Facilitated Communication

FCT - Functional Communication Training

FDSS - Family Driven Support Services

FERPA - Federal Educational Rights and Privacy Act

fMRI - Functional MRI (examines the brain's functional anatomy)

FMT - Fecal Mucosal Transplant - also called MTT (Microbiota Transfer Therapy)

FSP - Family Support Plan

FSS - Family Support Services

FXS - Fragile X Syndrome


GAF - Global Assessment of Functioning Scale

GARS - Gilliam Autism Rating Scale

GF - Gluten Free

GFCF - Gluten-Free, Casein-Free Diet

GFCFSF - Gluten-free, Casein-Free, Soy-Free Diet

GI - Gastrointestinal


HCBW - Home and Community Based Waiver


IACC - Interagency Autism Coordinating Committee

IBD - Inflammatory Bowel Disease

IBS - Irritable Bowel Syndrome

ICF - Intermediate Care Facility (Medicaid benefit)

ID - Intellectual Disability

IDEA - Individuals with Disabilities Education Act

IEE - Independent Educational Evaluation

IEP - Individualized Education Plan/Individualized Education Program

IFSP - Individualized Family Service Plan

IHP - Individualized Habilitation Program

IQ - Intelligence Quotient


LD - Learning Disability, Learning Disabled

LEA - Local Education Agency

LOD - Low Oxalate Diet

LRE - Least Restrictive Environment


M-CHAT - Modified Checklist for Autism in Toddlers

MFE - Multi-Factored Evaluation

MNRI - Masgutova Neurosensorimotor Reflex Integration

MRI - Magnetic Resonance Imaging

MSDD - Multisystem Developmental Disorder

MTT - Microbiota Transfer Therapy - also called FMT (Fecal Mucosal Transplant)

NLD/NVLD - Nonverbal Learning Disability


NT - Neurotypical


OCD - Obsessive Compulsive Disorder

ODD - Oppositional Defiant Disorder

OHI - Other Health Impairment

ORS - Office of Rehabilitation Services

OSEP - Office of Special Education Programs

OSERS - Office of Special Education and Rehabilitative Services

OSP - Office of Social Programs

OT - Occupational Therapy/Therapist

OVR - Office of Vocational Rehabilitation


PALS - Peer-Assisted Learning System

PANDAS - Pediatric Autoimmune Neuropsychiatric Disorders Associated with Strep

PANS - Pediatric Acute-onset Neuropsychiatric Syndrome

PBS - Positive Behavioral Supports

PDD - Pervasive Developmental Disorder (with the release of the DSM-5, PDD is now considered an autism spectrum disorder)

PECS - Picture Exchange Communication System

PLAAFP - Present Levels of Academic Achievement and Functional Performance

PLOP/PLP - Present Levels of Performance

POA - Power of Attorney

PROMPT - Speech therapy technique used to teach individuals how to correctly move their jaw, lips, and tongue in order to form words.

PRT - Pivotal Response Training

PT - Physical Therapy/Therapist

PWN - Prior Written Notice


QEEG - Quantitative Electroencephalogram


RDI - Relationship Developmental Intervention

RPM - Rapid Prompting Method

RTI - Response to Intervention


S2C - Spelling to Communicate

SCD - Specific Carbohydrate Diet

SIB - Self-injurious behavior

SLP - Speech and Language Pathologist

SM - Selective Mutism

SPD - Sensory Processing Disorder

SPED - Special Education

SPM - Sensory Processing Measure

SSD - Social Security Disability

SSDI - Social Security Disability Income

SSI - Supplemental Security Income


TBI - Traumatic Brain Injury

TOPL - Test of Pragmatic Language


VB - Verbal Behavior

VMI - Beery Buktenica Developmental Test of Visual-Motor Integration

Voc-Ed - Vocational Education

VQ - Verbal IQ

VR - Vocational Rehabilitation


WAIS - Wechsler Adult Intelligence Scale

WIOA - Workforce Innovation and Opportunity Act

WISC - Wechsler Intelligence Scale for Children

WPPSI - Weschler Preschool Primary  (evaluation for children less than six years old)