1.1 About the MAC Exam, Eligibility & Kryterion Format

1.1 About the MAC Exam, Eligibility & Kryterion Format

Quick Summary: The Master Addiction Counselor (MAC) credential is the flagship national certification for master-level addiction professionals, awarded by the National Certification Commission for Addiction Professionals (NCC AP) under NAADAC. The exam comprises 150 multiple-choice questions delivered over 3 hours (180 minutes) via Kryterion Webassessor. Passing requires achieving a criterion-referenced score of 75% (112 correct items). Eligibility requires a Master's degree in behavioral health, state licensure, 6,000 supervised SUD clinical hours, and 500 contact hours of specialized training.

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Understanding the Master Addiction Counselor (MAC) Credential

The Master Addiction Counselor (MAC) credential represents the highest standard of clinical excellence in substance use disorder (SUD) counseling and co-occurring mental health treatment. Administered by the National Certification Commission for Addiction Professionals (NCC AP)—the independent credentialing body of NAADAC (The Association for Addiction Professionals)—the MAC credential validates advanced clinical competencies, independent practice readiness, diagnostic expertise, and sophisticated therapeutic skills.

While entry- and mid-level credentials such as the National Certified Addiction Counselor, Level I (NCAC I) and Level II (NCAC II) assess foundational knowledge and bachelor-level scope of practice, the MAC is specifically tailored for clinicians holding graduate-level degrees. Master-level addiction counselors operate autonomously, conducting comprehensive differential diagnoses, developing complex multi-system treatment plans, providing clinical supervision to junior staff, and integrating evidence-based psychotherapeutic modalities for clients with severe co-occurring substance use and psychiatric disorders.

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Eligibility Requirements and Prerequisites

To ensure that credentials reflect rigorous clinical standards, the NCC AP enforces strict candidate eligibility criteria prior to granting authorization to test (ATT). Candidates must document a combination of academic achievement, professional credentialing, supervised clinical hours, and specialized addiction training.

Core Eligibility Criteria

1. Graduate Education: A Master's or doctoral degree in a healing art, behavioral health, human services, counseling, social work, psychology, or psychiatric nursing from a regionally accredited college or university. The degree program must include core coursework in human behavior, counseling theories, and ethics.
2. Active State Licensure or Credentialing: Current state license or credential as a substance use disorder/addiction counselor or professional counselor (e.g., Licensed Professional Counselor [LPC], Licensed Clinical Social Worker [LCSW], Licensed Marriage and Family Therapist [LMFT], psychologist, medical doctor, or LAP-C), issued by a state or credentialing authority. NCC AP explicitly does not accept Associate, Provisional, Intern, or Trainee credentials for this requirement.
3. Supervised Clinical Experience: Three years full-time or 6,000 hours of documented, supervised experience working directly with substance use disorder clients. Supervised experience must include direct client contact across screening, assessment, treatment planning, individual/group counseling, crisis intervention, and case management. (Candidates holding qualifying clinical master's degrees may receive credit toward total hour requirements depending on specific state board alignment, but 6,000 hours remains the national NCC AP baseline).
4. Specialized Training & Education: At least 500 contact hours of education and training in substance use disorders/addiction. Within those hours, NCC AP requires at least 6 hours of ethics training and at least 6 hours of HIV/other pathogens training, and both must have been completed within the last six years. Candidates routinely lose application time here: hours completed seven years ago no longer satisfy the recency rule and must be repeated.
5. Ethical Agreement: A signed statement that the candidate has read and adheres to the NAADAC/NCC AP Code of Ethics, plus written verification of competency in all skill groups from a supervisor or health care professional who has personally observed the candidate's SUD work.
6. A Qualifying Examination: The MAC credential accepts a passing score on one of three exams — the MAC exam through NCC AP, the eMAC exam through the National Board of Certified Counselors (NBCC), or the AADC exam through IC&RC. This guide teaches the NCC AP MAC exam, which is the route most candidates take.

Prerequisites Summary Table

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Exam Format & Kryterion Webassessor Logistics

The MAC examination is delivered as a standardized computer-based test (CBT) through Kryterion Webassessor, an international computer-based testing network. Kryterion provides secure, standardized testing environments across hundreds of physical test centers worldwide, as well as an Online Live Proctoring (OLP) delivery model.

Examination Logistics Breakdown

• Total Questions: 150 multiple-choice items. Each item consists of a stem presenting a clinical scenario or concept, followed by four option choices (one correct key and three plausible distractors).
• All Items Count: NCC AP publishes a fixed raw passing standard of 112 of 150 correct, so the whole form is scored. NCC AP does not publish the use of unscored pretest or field-test items on the MAC exam, and you should never assume a hard question is "just a pretest item" — answer every question.
• Time Allowed: Exactly 3 hours (180 minutes). This yields an average pacing target of 1.2 minutes (72 seconds) per question.
• Testing Venues:
  • Onsite Test Centers: Administered at certified Kryterion testing centers featuring hardware security, identity verification, biometrics, and quiet testing rooms.
  • Distance Proctoring: NCC AP allows all of its credential and endorsement exams to be taken by distance proctoring. You test from your own home or office on a computer with camera and audio capability, scheduled with a live proctor who monitors you remotely. Your system must meet Kryterion's published technical requirements and you need a quiet, private testing space.
• Registration Path: For the national MAC credential, you first submit a MAC application to NCC AP. Once NCC AP approves it, you receive an email containing a code and a registration link for the exam. If you are testing as part of a state credentialing or licensing process, you must instead obtain the code from your state certification/licensing board — registering without board approval means you will not be permitted to test and the fee is not refunded.
• Testing Schedule: Testing is on demand throughout the month; you pick the date, time, and location (or distance-proctored slot) that suits you.
• Accommodations: Special-accommodation requests use a dedicated NCC AP form with supporting documentation and must reach NCC AP 35 calendar days before the requested test date. You cannot register online for an accommodated exam.

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Scoring Standards and Passing Criteria

Understanding how the MAC exam is scored helps candidates optimize their test-taking approach and manage time effectively.

Criterion-Referenced Passing Standard

The MAC examination uses a criterion-referenced passing standard. NCC AP set the current cut scores through a documented process of exam revision, beta testing, and psychometric analysis for the updated NCAC I, NCAC II, and MAC exams released September 1, 2020 — the analysis set each credential's passing score to reflect the level of knowledge and competency required at that level, which is why the MAC cut (75%) sits well above the NCAC I and NCAC II cut (67%). Under a criterion-referenced model your performance is judged against an absolute standard of minimum competence, never against a curve or the other candidates testing that day.

• Passing Cut Score: 75%, corresponding to a minimum raw score of 112 out of 150 correct answers.
• No Negative Marking: The exam evaluates the total number of correct answers. Points are not deducted for incorrect or unanswered questions. Therefore, leaving a question blank guarantees a score of zero for that item, whereas guessing offers a 25% statistical probability of selecting the correct choice.
• Score Reporting: You receive an email with your unofficial score when you finish the examination. NCC AP sends official score notices to the board you designated at registration by email every two weeks. You may request an official score report yourself at no charge within two months of your testing date. NCC AP does not publish domain-level diagnostic sub-scores, so do not plan a retake around a promised score breakdown.
• Retake Rules: You may take an NCC AP examination up to three times in a calendar year. Fail three times and you must wait until the next calendar year to try again. Re-testing costs the same as the first attempt; national-credential candidates re-register through NCC AP, and state candidates re-register through their state board.

Fees You Should Budget For

You may cancel up to 72 hours before the appointment and generally receive a refund of the testing fee (state board refund policies vary). Miss the appointment and you are charged the full fee with no refund.