Learning the Lingo
Acronyms
The intellectual and developmental disabilities (IDD) community uses many acronyms, which can sometimes feel overwhelming. This page is here to help. Whether you’re a self-advocate, family member, professional, or just looking to learn more, you’ll find clear explanations of key terms used in services, support, and advocacy.
Want to download the full list of IDD Community Acronyms? Click here.
IDPH
Illinois Department of Public Health
lEP
Individual Education Plan
IRWE
Impairment Related Work Expenses
ISBE
Illinois State Board of Education
ISC
Individual Service Coordination
ISP
Individual Support Plan
ISSA
Individual Service and Support Advocacy
ITP
Individual Treatment Plan (mental health)
MCO
Managed Care Organization
MH
Mental Health