- NAADAC's passing criterion for the MAC exam is 112 out of 150 questions, described as 75%.
- You have a 3-hour limit to answer all 150 objective multiple-choice questions.
- Assessment, Ongoing Treatment Planning & Implementation, and Addiction Counseling Practices & Skills together make up 69% of the exam.
- Candidates can test up to three times per calendar year if a retake is needed.
The Passing Number You Actually Need
If you're preparing for the Master Addiction Counselor exam, the single most important number to lock into your head is 112 out of 150. That's the passing criterion NAADAC's National Certification Commission for Addiction Professionals (NCC AP) sets for the MAC credential examination, and the organization describes it as a 75% benchmark. We're preserving that exact issuer language here rather than treating it as a precise arithmetic conversion, because NCC AP presents it as a stated criterion, not a formula you need to reverse-engineer.
What this means practically: you can miss up to 38 questions and still pass. That's a meaningful cushion if you understand where those misses are likely to come from and you've built your preparation around the exam's actual content weighting rather than generic addiction-counseling knowledge. For a deeper look at how NCC AP arrived at this structure and what it implies about overall difficulty, see our companion piece on how hard the MAC exam really is.
How the MAC Exam Is Structured and Scored
The MAC exam is a fixed-format, objective multiple-choice test - no essays, no simulations, no oral component. All 150 questions count toward your score, and you have three hours to complete the exam. That averages out to a little over a minute per question, which sounds tight but is workable if you're not stuck agonizing over ambiguous wording.
Because the exam is delivered through Kryterion, you'll either sit at an approved testing center or use distance proctoring from a private space that meets their requirements. Either way, the content and passing threshold are identical - 112 correct responses out of 150. There's no partial credit weighting by domain difficulty that we know of; it's a straightforward count of correct answers against the total.
One detail that trips up candidates: NCC AP approval must happen before you can schedule your exam. This isn't a walk-in test. Your application, transcripts, credential documentation, and training hour evidence all need to clear review first. For the full list of what that application requires, our MAC requirements guide breaks down eligibility in detail.
Key Takeaway
Treat the 3-hour window as a pacing exercise during practice tests, not just a content review. Candidates who run out of time on their first pass through the exam often aren't failing on knowledge - they're failing on time management under the objective multiple-choice format.
What 112 Correct Answers Requires Across Domains
The 150 questions aren't distributed evenly. NCC AP organizes the MAC exam into five content domains, and knowing their weights tells you exactly where your study hours should go if you're trying to protect that 112-question threshold.
Domain 1: Orientation to the Treatment Process (11%)
The smallest domain by weight, covering how counselors orient clients and families to the treatment process from initial contact forward.
- Roughly 16-17 questions on the exam
- Lower weight means limited upside from over-studying this domain alone
Domain 2: Assessment (23%)
One of three domains tied for the largest share of the exam, at roughly 34-35 questions.
- Diagnostic interviewing, screening tools, and differential assessment for co-occurring conditions
- Master's-level clinical judgment is tested here, not just terminology recall
Domain 3: Ongoing Treatment Planning & Implementation (23%)
Equal weight to Assessment, focused on how treatment plans evolve as clients progress or regress.
- Modifying interventions based on client response
- Coordinating care across levels of treatment intensity
Domain 4: Addiction Counseling Practices & Skills (23%)
The third of the three heavyweight domains, covering the applied counseling techniques a Master Addiction Counselor is expected to demonstrate.
- Evidence-based counseling modalities and their appropriate application
- Group, individual, and family counseling scenarios framed as situational judgment items
Domain 5: Professional Practices (20%)
Ethics, scope of practice, confidentiality, and professional responsibility - a substantial chunk at roughly 30 questions.
- Directly connected to the ethics commitment you sign during application
- Frequently tested through scenario-based ethical dilemma questions
Notice that Assessment, Ongoing Treatment Planning & Implementation, and Addiction Counseling Practices & Skills together account for 69% of the exam - more than two-thirds of every question you'll see. If your goal is 112 correct answers, mastery of these three domains isn't optional; it's the foundation your score is built on. For a question-by-question walkthrough of what each domain actually tests, see our full MAC exam domains guide.
| Domain | Weight | Approx. Questions (of 150) |
|---|---|---|
| Orientation to the Treatment Process | 11% | ~17 |
| Assessment | 23% | ~35 |
| Ongoing Treatment Planning & Implementation | 23% | ~35 |
| Addiction Counseling Practices & Skills | 23% | ~35 |
| Professional Practices | 20% | ~30 |
Registration, Fees, and Scheduling Rules That Affect Your Score
The passing score doesn't exist in isolation - the mechanics of how you register and schedule can indirectly affect your performance. NAADAC's combined base cost to sit for the MAC exam runs $385: a $150 examination fee plus a separate $235 initial credential application fee. That's a meaningful investment, and it's worth understanding fully before you commit to a test date. Our MAC certification cost breakdown covers every fee in the process, including renewal costs down the road.
Eligibility itself is non-trivial. You need a related master's degree or higher from a regionally accredited institution, a current full addiction or professional counseling license (associate, provisional, intern, and trainee credentials don't qualify), three years of full-time experience or 6,000 supervised hours in addiction counseling, and 500 addiction-training contact hours - including six hours specifically in ethics and six in HIV/other-pathogen training, both completed within the preceding six years.
You'll also submit official transcripts, current credential documentation, experience and training evidence, a competency verification from someone who directly observed your clinical work, and a signed ethics commitment. NCC AP has to approve all of this before you're allowed to schedule. Review the complete checklist in our MAC requirements article so nothing holds up your test date.
Building a Study Plan Around the Passing Threshold
Since 69% of the exam sits in three domains - Assessment, Ongoing Treatment Planning & Implementation, and Addiction Counseling Practices & Skills - your study calendar should mirror that weighting, not split evenly across all five domains.
Assessment & Ongoing Treatment Planning
- Review diagnostic and screening frameworks used in addiction assessment
- Work through treatment plan revision scenarios, since this domain tests judgment under changing client conditions
Addiction Counseling Practices & Skills
- Study evidence-based counseling modalities and when each applies
- Practice situational-judgment style questions covering group and family counseling
Professional Practices & Orientation
- Focus on ethics scenarios and scope-of-practice boundaries
- Cover orientation-to-treatment concepts as the lighter-weight domain
Full-Length Timed Review
- Take full 150-question practice runs under the 3-hour limit
- Identify which domain is costing you the most missed points relative to its weight
This isn't a generic weekly template repurposed from another exam - it's built directly around the MAC blueprint's actual weighting. If you want a more detailed week-by-week framework with specific resource recommendations, our MAC study guide goes further into first-attempt preparation strategy. And once you've covered the content, running full-length timed sets on our MAC practice test platform is the most direct way to simulate the real 150-question, 3-hour format before test day.
Key Takeaway
Don't study the five domains equally. Assessment, Ongoing Treatment Planning & Implementation, and Addiction Counseling Practices & Skills carry 23% each - spend roughly triple the time on each of these compared to Orientation to the Treatment Process at 11%.
If You Don't Hit 112: Retake Rules
Not passing on your first attempt doesn't end your path to certification. NCC AP allows candidates to test up to three times per calendar year. That gives you room to identify weak domains from your score report and target them specifically before your next attempt, rather than re-studying everything from scratch.
Keep the scheduling mechanics in mind here too: if you need to reschedule a retake and you're inside that 72-hour window, the $90 reseating fee applies again. Build in buffer time between when you commit to a retake date and when you're confident in your readiness. For candidates weighing whether repeated attempts and the associated costs are worth it against the credential's career value, our ROI analysis of the MAC certification and MAC salary guide provide useful context on what the credential opens up professionally, including the kinds of employers and MAC jobs that specifically look for this credential.
If you're still deciding whether the MAC is the right credential path at all, or you're confused about how it differs from similarly-named credentials, start with our foundational explainer on what MAC actually is before diving into passing-score specifics.
Frequently Asked Questions
NAADAC's NCC AP sets the passing criterion at 112 out of 150 questions, which it describes as 75%. You need to hit this threshold on the 150-question, 3-hour objective multiple-choice exam delivered by Kryterion.
Assessment, Ongoing Treatment Planning & Implementation, and Addiction Counseling Practices & Skills each carry 23% of the exam, totaling 69% combined. Prioritizing these three domains gives you the greatest impact on your overall score.
Candidates may test up to three times per calendar year. If you need to reschedule a retake within 72 hours of your appointment, a $90 reseating fee applies.
Yes. You have 3 hours to complete all 150 objective multiple-choice questions, which works out to a little over a minute per question on average.
The base examination fee is $150, and there's a separate initial credential application fee of $235, for a combined base total of $385. See our full MAC certification cost breakdown for additional details on renewal and other associated costs.