- MACE is a 60-question exam with a two-hour limit; 50 questions are scored.
- Credentia administers MACE; NCSBN no longer develops or owns its content.
- Medication Administration, Observation and Reporting makes up 60% of scored items.
- Eligibility rules (training hours, CNA status) are set by each state, not by Credentia.
What Is MACE, Exactly?
MACE stands for the Medication Aide Certification Examination. It's the standardized test that unregulated care staff, typically certified nursing assistants, must pass to legally administer medications in long-term care and residential settings within states that recognize the credential. Passing MACE doesn't create a national license - it's the exam component of a state-regulated process that ultimately grants a candidate status as a certified medication aide or medication assistant.
If you're searching for a plain-language answer to "what is MACE," here's the short version: it's a 60-question, multiple-choice exam covering the safe administration of medications by non-nurse caregivers, plus the boundaries of what those caregivers are legally allowed to do. For a deeper breakdown of terminology, see our guides on MACE meaning and what MACE stands for.
Who Administers MACE Today
This is one of the most misunderstood facts about the credential. MACE is currently administered by Credentia. The National Council of State Boards of Nursing (NCSBN) has stated that it no longer develops or owns MACE content - a change that surprises many candidates who assumed NCSBN still ran the exam because of its history with nurse aide testing.
What hasn't changed is the role of state authorities. Your state's nursing board or health department still determines:
- Whether you're eligible to sit for the exam
- What training you must complete beforehand
- Whether your name gets added to a state registry or license after you pass
- How and when you must renew your credential
In other words, Credentia builds and delivers the test itself, but the state controls everything around it - eligibility, registry placement, and ongoing certification status. This split matters when you're troubleshooting registration issues, since the right point of contact depends on whether your question is about the exam or about your state credential.
Exam Format and Question Style
The English-language MACE contains 60 multiple-choice questions and gives candidates two hours to complete them. Of those 60 questions, the official content outline allocates 50 as scored items; the remainder function as unscored items used for exam development purposes, though candidates cannot identify which questions fall into which category during the test.
Question style leans heavily on applied scenarios rather than pure recall. Instead of asking you to define a term, MACE tends to describe a resident situation - a missed dose, an unusual side effect, a request outside your scope - and ask what you should do next. This format rewards candidates who understand the reasoning behind medication administration rules, not just memorized facts. For a full sense of how tough this scenario-based format actually is in practice, read How Hard Is the MACE Exam?
Key Takeaway
Because only 50 of 60 questions are scored and you won't know which is which, treat every question with equal seriousness - there's no way to identify or skip the unscored items.
The Three MACE Content Domains
The current national content outline organizes MACE into three domains. Understanding how weight is distributed across them is the single most useful piece of MACE-specific information you can act on.
Domain 1: Authorized Duties (16%)
This domain covers what a medication aide is legally permitted to do - and, just as importantly, what falls outside that scope and must be referred to a nurse.
- Boundaries between authorized and unauthorized tasks
- When to escalate a situation to licensed nursing staff
- Documentation responsibilities tied to your role
Domain 2: Medication Administration, Observation and Reporting (60%)
This is the dominant domain, carrying more scored weight than the other two combined. It focuses on the mechanics of giving medications safely and recognizing when something is wrong.
- Routes of administration and correct technique
- The "rights" of medication administration (right resident, right dose, right route, right time, right documentation)
- Observing for adverse reactions, side effects, and changes in condition
- Reporting procedures and timing
Domain 3: Medication Concepts and Measurements (24%)
This domain tests foundational knowledge that supports safe administration - the "why" behind the procedures in Domain 2.
- Basic pharmacology concepts relevant to common medication classes
- Dosage calculations and measurement conversions
- Understanding medication labels and orders
For a complete breakdown of subtopics, sample question angles, and how the domains interrelate, see our full MACE Exam Domains Guide. Given that Domain 2 alone accounts for 60% of scored items, it deserves the majority of your preparation time - a point worth internalizing before you build any study schedule.
Eligibility and State-Level Rules
Because states - not Credentia - set eligibility rules, requirements vary noticeably depending on where you plan to work. Two real examples illustrate the range:
| State | Key Requirement |
|---|---|
| Colorado | Completion of an approved Medication Aide Training Program, plus active CNA status |
| Utah | 100 total training hours (60 didactic + 40 practical) through an approved pathway |
These examples show why you cannot assume your requirements match a friend's or a coworker's in another state. Before registering for the exam, confirm your own state's specific prerequisites, training program approval status, and any active certification (like CNA) you must hold. Our MACE Requirements guide walks through eligibility criteria in more detail, and the MACE Certification Cost breakdown covers what training and testing fees typically involve.
How the Test Is Delivered
MACE is delivered through live online proctoring, and results are reported through the Credentia platform. A few operational details matter for test-day planning:
- You'll need a private, quiet testing space and a stable internet connection since a live proctor monitors your session remotely.
- Study aids of any kind are prohibited during the exam - this includes notes, reference sheets, and unauthorized materials in your testing area.
- You have the full two-hour window to work through all 60 questions, so pacing matters even though the format isn't especially long by certification-exam standards.
If you're trying to figure out testing windows, registration deadlines, or how far in advance to schedule, our MACE Exam Dates guide covers the scheduling mechanics in depth. And if you want to know exactly what score threshold you're aiming for, check MACE Passing Score 2026.
Who Hires Certified Medication Aides
Certified medication aides typically work in long-term care facilities, skilled nursing homes, assisted living communities, and residential care settings where licensed nursing staff need support administering routine medications to a larger resident population. Employers value the certification because it expands what a CNA can legally do on a shift - moving from purely hands-on care tasks into supervised medication administration, observation, and reporting duties defined in Domain 1 and Domain 2.
If you're weighing whether pursuing this credential fits your career goals, our guides on MACE Jobs, MACE Salary Guide 2026, and Is the MACE Certification Worth It? go into the practical tradeoffs - including how the certification changes your responsibilities and job search compared to holding a CNA credential alone.
Building a MACE-Specific Study Plan
Generic study advice - flashcards, timed drills, spaced repetition - only helps if it's pointed at the right targets. Because Domain 2 (Medication Administration, Observation and Reporting) makes up 60% of scored content, it should receive roughly proportional attention in any weekly plan, not equal time alongside the smaller domains.
Domain 2 Foundations
- Study the "rights" of medication administration and common administration routes
- Review observation and reporting procedures for adverse reactions
Domain 3 Concepts
- Practice dosage calculations and unit conversions
- Review basic pharmacology tied to commonly administered medication classes
Domain 1 and Integration
- Study authorized duties and scope-of-practice boundaries
- Run full-length scenario-based practice questions across all three domains
For a structured, week-by-week plan built specifically around this domain weighting, see the MACE Study Guide 2026. And if you want a condensed reference to review right before test day, the MACE Cheat Sheet 2026 summarizes must-know facts in one page. You can also start running realistic practice questions right now on our MACE practice test platform to see how the scenario-based format actually feels under time pressure.
Key Takeaway
Allocate your study time to roughly match domain weighting - spend the most hours on Domain 2, moderate time on Domain 3, and a lighter but non-negligible amount on Domain 1.
Understanding your data on where you stand also helps calibrate expectations. Reviewing available information in our MACE Pass Rate article can help you set realistic goals for how much preparation is appropriate, without relying on unverified numbers floating around online.
Frequently Asked Questions
The exam content and delivery are standardized by Credentia, but eligibility to sit for the exam - including training hours and CNA status - is set individually by each state, so requirements differ depending on where you apply.
No. NCSBN has stated it no longer develops or owns MACE content. Credentia currently administers the exam, while state nursing or health authorities handle eligibility and certification decisions.
The English-language exam has 60 multiple-choice questions with a two-hour time limit. The official content outline allocates 50 of those as scored items across the three domains.
Medication Administration, Observation and Reporting carries 60% of scored items, making it the highest-priority domain, followed by Medication Concepts and Measurements at 24% and Authorized Duties at 16%.
No. MACE prohibits study aids during the test, and the exam is delivered through live online proctoring, so your testing environment is monitored throughout the session.