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National DisabilityResource Project
Last reviewed: · Reviewed by Colton Brown
Family guidance

Early intervention ages 0 to 3

A major federal program for very young children is the early intervention program under IDEA Part C. This program operates through statewide systems in all 50 states and helps identify infants and toddlers with developmental delays or diagnosed conditions that may lead to developmental delays.

The program is designed to support development as early as possible, connect families with evaluations and services, and help parents and caregivers support their child in everyday life. Early support can matter because the first years of life are a key period for growth and development.

State programs may use different names and have different referral processes, but the federal program exists nationwide. Families who have concerns about a child's development can usually ask for an evaluation through their state's early intervention system.

Who it is for

IDEA Part C generally serves infants and toddlers from birth through age 2 who have developmental delays or have diagnosed physical or mental conditions with a high probability of resulting in developmental delay.

What it can include

Early intervention may address physical development, communication, cognitive development, social and emotional development, and adaptive skills. Services are individualized based on the child and family.

How services are planned

Services are generally organized through an Individualized Family Service Plan, often called an IFSP. Federal guidance says services should be provided in natural environments to the maximum extent appropriate.

Why early referral matters

Families often do not hear about early intervention soon enough. If there are concerns about development, an early referral can help families get an evaluation, understand next steps, and connect with support during an important stage of development.

Important age note

IDEA Part C generally covers birth through age 2. Transition planning for services after age 3 is an important part of the process, and the next step is often preschool special education or another state program.

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