Knowing the 12 Core Functions Isn’t the Same as Applying Them on the Exam.

A complete study guide for the IC&RC Alcohol & Drug Counselor (ADC) written exam: every Core Function and Global Criterion, how they map to the current exam’s domains, and current 42 CFR Part 2, ASAM Criteria Fourth Edition and DSM-5-TR.

The IC&RC ADC exam tests whether you can apply each function in a realistic scenario, not just name it. That means knowing what each Global Criterion asks of you and recognizing the answers that look right but aren’t. The 12 Core Functions organize the work; the exam’s domains organize the test. This guide teaches both and shows how they connect.

Who wrote it

Ethan Hale, M.S., LPC — a Licensed Professional Counselor with more than 20 years of practice. I’m not a licensed alcohol and drug counselor, and I’d rather say that up front than have you wonder. What I bring is two decades of clinical work, a study method built on how adults actually learn (foundations first, side-by-side comparisons, active recall and spaced repetition), and one firm rule: every fact in the guide was checked against official sources before release, and every practice question is original.

Who it is for

Working counselors and recent graduates preparing for the IC&RC ADC exam, which many U.S. states use for alcohol and drug counselor licensure and certification, studying on their own time.

How it works

• Start where you’re weakest. The readiness check covers all 12 Core Functions and shows where to begin.
• One module per Core Function. Each Global Criterion explained with a realistic example, plus the common mistakes to avoid.
• Side-by-side comparisons where similar ideas are easy to mix up.
• Recall built in. Modules open with questions on what you studied before, so it sticks.
• Worksheets for putting the functions into practice.

What you get for $97

• A readiness check across all 12 Core Functions
• 12 modules, one per Core Function: Screening, Intake, Orientation, Assessment, Treatment Planning, Counseling, Case Management, Crisis Intervention, Client Education, Referral, Report and Record Keeping, and Consultation with Other Professionals
• An exam-prep module: how the current exam is structured, how the Core Functions map to its domains, answer strategy and practice vignettes
• Current standards: 42 CFR Part 2 with the 2024 final rule, ASAM Criteria Fourth Edition, DSM-5-TR
• Comparison tables and recall questions throughout, and worksheets in most modules
• An optional mind map for every module, plus a course overview map
• Flashcards with spaced repetition at the end of every module (306 cards in all), using a Leitner box review schedule, plus an All Flashcards page for review and printable cut-out cards
• Printable PDFs of the complete guide, a one-page Quick Start Guide and the mind maps, each in a full-color Study Edition and a white, ink-saving Print Edition

What happens after you buy

At checkout you create an account on this site. After payment you get lifetime online access to the full guide in your account, plus printable PDFs (the complete guide, a one-page Quick Start Guide and the mind maps) that you can download each up to 3 times within 30 days. The online guide works on a phone, tablet or computer, and the PDF prints cleanly if you like to study on paper. Start with the readiness check; it tells you where to begin.

This is an independent study guide. It is not affiliated with or endorsed by IC&RC or any state certification board. State laws on confidentiality, reporting and duty to warn vary; the guide notes this where it matters. No study guide can guarantee a passing score. Check your state licensing board for current requirements before you schedule your exam. For personal study use only; the guide may not be copied, shared, resold or republished. © 2026 E.F. Hale Enterprises, LLC. All rights reserved. Questions: efhale@efhale.com