- CADC-II is issued through CCAPP Credentialing using the IC&RC Alcohol & Drug Counselor (ADC) exam.
- The exam is 150 multiple-choice questions (125 scored, 25 unscored) in a 3-hour window at Prometric/IQT centers.
- Passing requires a scaled score of 500 on the IC&RC 200-800 range, not a raw percentage.
- Combined exam and application-review fees run $339 for members or $648 for non-members before training costs.
What Is a CADC-II, Exactly?
Certified Alcohol and Drug Counselor II, or CADC-II, is a California substance use disorder counseling credential issued through CCAPP Credentialing, the certification arm of the California Consortium of Addiction Programs and Professionals. Rather than administering a proprietary exam, CCAPP relies on the IC&RC Alcohol & Drug Counselor (ADC) examination, a national credential exam recognized across International Certification & Reciprocity Consortium member boards. This matters because your test-day experience, your domain content, and your scoring model are all governed by IC&RC's ADC blueprint, not by an in-house California exam.
If you're still sorting out how this credential fits into the broader SUD counseling ladder, the overview pages on CADC-II Certification, What Is CADC-II?, and CADC-II Meaning break down the terminology from slightly different angles. This article focuses specifically on what the credential is, who it's for, and exactly what the exam demands.
Who Hires CADC-IIs in California
CADC-II holders typically work in licensed and certified substance use treatment settings: outpatient counseling programs, residential and detox facilities, county behavioral health departments, and nonprofit recovery organizations. The credential signals to employers that a counselor has completed a defined pathway of education, supervised practicum work, and a rigorous competency exam covering assessment, treatment planning, and ethics - not just years on the job.
Because the credential sits within a broader career ladder, many employers view CADC-II as a meaningful step up from entry-level counselor registration, often tied to expanded caseload responsibility or supervisory-track eligibility. If you're weighing whether the investment of time and fees pays off relative to job opportunities, the analysis in Is the CADC-II Certification Worth It? Complete ROI Analysis 2026 and the role-specific detail in CADC-II Jobs are useful next reads.
Exam Format, Fees, and Scoring
The ADC exam used for CADC-II certification consists of 150 multiple-choice questions, of which 125 are scored and 25 are unscored pretest items you can't distinguish during the test. You get three hours to complete the exam, administered on computer at a Prometric/IQT test center under closed-book conditions.
Scoring does not work like a percentage-correct exam. IC&RC uses a scaled score ranging from 200 to 800, and you need a 500 to pass. Because scaled scoring weights item difficulty, a "500" is not simply 500 out of 800 raw points - it's a calibrated pass point. For a deeper walkthrough of how that scale is calculated and why memorizing a raw percentage target is misleading, see CADC-II Passing Score 2026: Exactly What You Need to Pass.
| Cost Item | Member Rate | Non-Member Rate |
|---|---|---|
| Exam Fee (Prometric/IQT) | $174 | $338 |
| Application-Review Fee | $165 | $310 |
| Combined Total | $339 | $648 |
Those totals cover only the exam and application review - they don't include your education hours, practicum, or supervision costs. A full breakdown of every fee category, plus renewal pricing, is covered in CADC-II Certification Cost 2026: Complete Pricing Breakdown.
Key Takeaway
Joining CCAPP as a member before you apply can cut your combined exam and review fees roughly in half, so confirm membership status before you pay.
The Four CADC-II Exam Domains
The ADC blueprint underlying CADC-II, effective November 2022, organizes the 125 scored questions across four content domains. Understanding not just the percentage weight but the practical skills each domain tests is the difference between generic exam prep and CADC-II-specific prep.
Domain 1: Scientific Principles of Substance Use and Co-Occurring Disorders (25%)
Tests understanding of pharmacology, addiction as a biopsychosocial process, and how co-occurring mental health conditions interact with substance use.
- Classes of substances and their physiological/behavioral effects
- Models of addiction (disease model, biopsychosocial model)
- Interaction between mental health disorders and SUD presentation
Domain 2: Evidence-Based Screening and Assessment (20%)
Covers selecting and applying validated screening tools, interpreting assessment data, and identifying appropriate levels of care.
- Standardized screening instruments and when to use them
- Biopsychosocial assessment components
- Placement criteria and level-of-care determinations
Domain 3: Evidence-Based Treatment, Counseling, and Referral (30%)
The largest domain on the exam, covering treatment planning, individual and group counseling techniques, and referral/case management practices.
- Treatment plan development and modification
- Evidence-based counseling approaches (motivational interviewing, CBT-informed techniques)
- Referral, coordination of care, and relapse prevention strategies
Domain 4: Professional, Ethical, and Legal Responsibilities (25%)
Focuses on confidentiality regulations, scope of practice, documentation standards, and professional conduct expectations.
- Confidentiality and mandated reporting boundaries
- Documentation and record-keeping standards
- Professional boundaries and ethical decision-making frameworks
Because Domain 3 carries the heaviest weight at 30%, candidates who under-prepare treatment and counseling content tend to feel the biggest score gap. For a question-style walkthrough of each domain with sample scenarios, the dedicated guide at CADC-II Exam Domains 2026: Complete Guide to All 4 Content Areas goes much deeper than a summary table can.
Education, Practicum, and Experience Requirements
Before you can even sit for the ADC exam under CCAPP's CADC-II pathway, you need to satisfy substantial training and supervised-work prerequisites:
- 315 hours of approved alcohol and drug education coursework
- A 255-hour supervised practicum completed under an approved supervisor
- 6,000 total supervised experience hours, which includes the practicum hours counted toward the total
- Verification documentation and signed ethics commitments submitted with your application
These aren't optional add-ons - CCAPP verifies them during application review, and gaps or missing documentation can delay your eligibility to schedule the exam. A step-by-step eligibility checklist, including how the practicum hours interact with the broader 6,000-hour requirement, is laid out in CADC-II Requirements 2026: Eligibility, Prerequisites & How to Qualify. If you're still assembling your coursework plan, CADC-II Training covers how to select programs that align with the 315-hour requirement.
Key Takeaway
Start collecting supervisor verification letters and practicum documentation early - application-review delays are often paperwork-related, not exam-related.
Renewal and Continuing Education
CADC-II certification isn't a one-time achievement. It renews every two years, and maintaining it requires 50 continuing-education hours per renewal cycle, with at least nine hours specifically in ethics and confidentiality. Renewal fees are $150 for CCAPP members or $400 for non-members.
Because ethics-specific CE hours are a fixed requirement, it's worth tracking that category separately from general clinical CE credits so you don't discover a shortfall right before your renewal deadline. Testing windows, scheduling deadlines, and how renewal timing interacts with exam retake policies are covered in CADC-II Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
Building a Domain-Weighted Study Plan
Generic study advice - flashcards, spaced repetition, timed practice blocks - only helps if it's allocated according to what the ADC exam actually weights. Since Domain 3 (Evidence-Based Treatment, Counseling, and Referral) accounts for 30% of scored items, and Domains 1 and 4 each carry 25%, your study calendar should mirror that imbalance rather than splitting time evenly across four domains.
Domain 1 Foundations
- Review pharmacology and substance classification systems
- Study co-occurring disorder interaction patterns
Domain 2 Assessment Skills
- Practice interpreting screening instrument results
- Drill level-of-care placement criteria scenarios
Domain 3 Treatment & Counseling (Heaviest Weight)
- Work through treatment-planning case scenarios
- Review counseling technique differentiation and referral logic
Domain 4 Ethics & Full Review
- Study confidentiality regulations and documentation standards
- Run a full-length timed practice exam under closed-book conditions
Notice that Domain 3 gets nearly double the calendar time of Domains 1 or 2 - that's intentional, matching its 30% weight on the actual scored exam. For a more detailed week-by-week structure with specific resource recommendations, see CADC-II Study Guide 2026: How to Pass on Your First Attempt. And before you commit to a fixed schedule, it's worth honestly assessing your starting point using How Hard Is the CADC-II Exam? Complete Difficulty Guide 2026, which discusses what typically trips up candidates on this specific exam.
Running full-length, scenario-based practice questions on our CADC-II practice test platform is one of the more direct ways to simulate the scaled scoring pressure of the real exam, since the questions are built around the same four-domain weighting described above. Repeating timed practice sets on the practice site also helps you get comfortable with the closed-book, computer-based test center experience before exam day.
Frequently Asked Questions
No. CCAPP Credentialing's CADC-II specifically uses the IC&RC Alcohol & Drug Counselor (ADC) exam administered through Prometric/IQT. Other states and boards may use different exams or credential names, even if the abbreviation looks similar, so always confirm you're studying for the CCAPP pathway.
The exam has 150 multiple-choice questions total - 125 scored and 25 unscored pretest items mixed in without identification - and you're given three hours to complete it in a closed-book, computer-based format.
You need a scaled score of 500 on IC&RC's 200-800 scoring range. This is not a percentage of correct answers; it's a calibrated scaled score based on item difficulty.
Combined exam and application-review fees total $339 for CCAPP members or $648 for non-members. This does not include your 315 hours of education, practicum costs, or other training expenses.
CADC-II renews every two years and requires 50 continuing-education hours, including at least nine hours in ethics and confidentiality. Renewal fees are $150 for members or $400 for non-members.