- OK-CMA stands for Oklahoma Certified Medication Aide, tested through the Basic Written Examination (assessment 8606/6A).
- The Oklahoma State Department of Health's Nurse Aide Registry governs the credential; CareerTech administers the written test.
- The exam is 65 multiple-choice questions in two hours, with a 70% passing score.
- Administer Medication is the largest domain at 41%, followed by Legal and Ethical Guidelines at 18%.
The Acronym Explained
OK-CMA stands for Oklahoma Certified Medication Aide. The full credential name attached to the written test is the Basic Written Examination, sometimes referenced internally by its assessment code, 8606/6A. If you've landed on this page searching for what those letters mean, the short answer is simple: it identifies a state-specific nurse aide who has completed additional training to legally administer medications inside long-term-care, home-health, or ICF/IID settings in Oklahoma.
The name matters because other credentials around the country use the same or similar abbreviations for entirely different certifications, with different governing bodies, fee structures, and content. This site, and this article, cover only the Oklahoma Certified Medication Aide Basic Written Examination as defined by the Oklahoma State Department of Health and administered through Oklahoma CareerTech Testing Center's Health and Professional Certification Project. For a broader orientation to the credential, see our companion pieces What Is OK-CMA? and OK-CMA Meaning.
Who Governs the Credential
Two entities share responsibility for OK-CMA. The Oklahoma State Department of Health, Nurse Aide Registry is the governing body that sets eligibility rules, oversees certification status, and maintains the registry that lists active, certified medication aides. The written assessment itself is developed and delivered by the Oklahoma CareerTech Testing Center, through its Health and Professional Certification Project, at approved test sites across the state.
This division matters practically: your certification status, renewal, and disciplinary standing live with the Health Department's registry, while your test-day experience - scheduling, proctoring, and scoring - runs through CareerTech. If you want the full regulatory picture, including how these two bodies interact with training programs, read OK-CMA Certification and What Is OK-CMA Certification?.
Basic CMA vs. Advanced Medication-Aide Pathways
The word "Basic" in "Basic Written Examination" is doing real work. Oklahoma distinguishes the basic CMA scope from several advanced endorsements that require separate training and separate assessments. A basic OK-CMA credential does not automatically authorize:
- Insulin administration or blood glucose monitoring
- Feeding-tube medication administration
- Inhaler and nebulizer treatments under advanced pathways
These fall under advanced medication-aide endorsements that sit outside the scope of this site and outside the scope of the basic assessment 8606/6A. If a job posting or training program references those advanced skills, confirm which certification pathway it actually requires before assuming your basic CMA credential covers it.
Key Takeaway
When you see "OK-CMA" on this site, assume it means the basic credential and basic written exam - always verify separately if a role requires insulin, tube-feeding, or inhaler/nebulizer authority.
What the Exam Actually Covers
The name "Oklahoma Certified Medication Aide" reflects the exam's core purpose: verifying that a nurse aide can safely administer medication under a licensed nurse's oversight. The written test is organized into six domains, each weighted by how often that content shows up on the actual exam.
Domain 1: Administer Medication (41%)
The largest domain by far, reflecting the exam's core identity. Candidates must know routes of administration, the seven medication rights, dosage calculation basics, and safe administration techniques.
- 27 of 65 questions come from this single domain
Domain 3: Comply with Legal and Ethical Guidelines (18%)
The second-largest domain, covering scope of practice, documentation requirements, and the legal boundaries of what a medication aide may and may not do.
- 12 questions test legal and ethical knowledge
Domain 2: Observe, Report, and Document Client Status (14%)
Focuses on recognizing changes in condition, adverse reactions, and proper reporting chains to licensed nursing staff.
- 9 questions assess observation and documentation skills
Domain 6: Apply Knowledge of Body Systems and Common Diseases (11%)
Requires foundational anatomy and disease-process knowledge tied to common medications used in long-term care.
- 7 questions cover body systems content
Domains 4 & 5: Safety and Measurement Systems (8% each)
Cover infection control, fall prevention, and medication safety practices (Domain 4), plus dosage math and measurement conversions (Domain 5).
- 5 questions each, 10 total between the two domains
For a full breakdown of each domain with study strategies specific to that content, see our dedicated OK-CMA Exam Domains 2026: Complete Guide to All 6 Content Areas.
Format, Timing, and Scoring
The Basic Written Examination consists of 65 multiple-choice questions administered over two hours, with a 70% passing score required to pass. This specification comes from the operational testing table effective July 1, 2025 and edited January 7, 2026, which matches the currently linked study guide. Note that an older coordinator manual reference to 70 questions is outdated - 65 is the current, correct count.
Testing happens in English at proctored, approved sites. Even though delivery is computer-based, that does not mean the exam can be taken remotely or at home - you must appear at an approved test site. The exam is closed-book: oral readers, translated exams, and calculators are not permitted. Any scratch paper provided by the proctor must be returned before you leave.
| Exam Attribute | Detail |
|---|---|
| Total Questions | 65 multiple-choice |
| Time Allowed | 2 hours |
| Passing Score | 70% |
| Largest Domain | Administer Medication (41%) |
| Second-Largest Domain | Legal and Ethical Guidelines (18%) |
| Testing Format | Computer-based at approved sites; not remote/at-home |
Want a clean, one-page cheat sheet of these numbers before test day? Check OK-CMA Cheat Sheet 2026: One-Page Review of Must-Know Facts, and read OK-CMA Passing Score 2026: Exactly What You Need to Pass for a closer look at what 70% actually requires question-by-question.
Eligibility and Training Prerequisites
Before you can sit for the exam that carries the OK-CMA name, you must meet several eligibility requirements set by the Oklahoma State Department of Health:
- Be at least 18 years old
- Hold a high school diploma or GED
- Demonstrate English ability
- Hold an active, qualifying Oklahoma nurse-aide certification in long-term-care, home-health, or ICF/IID settings, in good standing
- Have at least six months of nurse-aide experience
Approved training must total at least 40 hours, including a minimum of 16 hours of supervised practical training. After completing training, candidates must also pass a post-training competency verification: administering medication to 20 consecutive individuals with 100% accuracy. This is separate from and additional to the clinical hours completed during the course - it is not a CareerTech skills-test station.
If your first attempt at the written exam doesn't succeed, Oklahoma allows newly trained candidates up to three attempts, with at least three days required between attempts. A third failure means you must repeat approved training before trying again. For the complete prerequisite checklist, see OK-CMA Requirements 2026: Eligibility, Prerequisites & How to Qualify and OK-CMA Training.
Renewal and Continuing Education
Once certified, the "Certified" part of OK-CMA requires upkeep. Renewal is annual, with a $10 renewal fee. Starting in your second certification year, you must also complete 8 hours of approved continuing education per 12-month period - the first certification year is exempt from this CE requirement. Throughout, your underlying qualifying nurse-aide certification must remain active; if it lapses, your CMA status is affected too.
These mechanics are worth understanding before you even sit the exam, since they affect the total cost of holding the credential over time. See OK-CMA Certification Cost 2026: Complete Pricing Breakdown for a full accounting of fees across the certification lifecycle.
Mapping a Study Approach to the Name
Because "Administer Medication" makes up 41% of the exam and "Legal and Ethical Guidelines" makes up another 18%, nearly six in ten questions come from just two domains. A sensible study sequence spends the earliest, longest block of preparation time on medication administration - the seven medication rights, routes, and PRN administration under Oklahoma's licensed-nurse assessment and authorization requirements - before narrowing focus to legal scope-of-practice rules and documentation standards.
Administer Medication (41%)
- Master the seven medication rights and routes of administration
- Practice dosage math tied to Domain 5 measurement systems
- Study PRN administration rules under Oklahoma's authorization requirements
Legal and Ethical Guidelines (18%) + Observation/Documentation (14%)
- Review scope-of-practice boundaries for basic CMAs
- Practice reporting chains and documentation language
Remaining Domains + Full Practice
- Cover body systems, safety principles, and measurement conversions
- Take full-length timed practice runs at the OK-CMA practice test platform
This is not a generic weekly template - it's built directly from the official domain weights so your time investment matches the exam's actual emphasis. For a deeper walkthrough of pacing, question style, and common traps, read OK-CMA Study Guide 2026: How to Pass on Your First Attempt.
Key Takeaway
Spend the bulk of your prep time on Administer Medication and Legal and Ethical Guidelines - together they account for 59% of all questions on the OK-CMA Basic Written Examination.
How the Name Connects to Real-World Difficulty and Hiring
Understanding what OK-CMA stands for also helps set expectations about difficulty and job relevance. Because the credential is narrowly scoped to basic medication administration in long-term-care, home-health, and ICF/IID settings, the exam content stays tightly focused rather than sprawling across unrelated clinical topics. That focus is a double-edged sword: it means less to memorize overall, but it also means the 41%-weighted Administer Medication domain demands genuine mastery, not surface familiarity.
If you're weighing how challenging the test really is relative to your nurse-aide background, our guide How Hard Is the OK-CMA Exam? Complete Difficulty Guide 2026 breaks down where candidates typically struggle. And if you're deciding whether pursuing this credential is worth the training hours and renewal obligations, Is the OK-CMA Certification Worth It? Complete ROI Analysis 2026 and OK-CMA Salary Guide 2026: Complete Earnings Analysis look at the career side of the equation. For a sense of who's hiring, see OK-CMA Jobs.
Prospective candidates researching pass outcomes should stick to Oklahoma-specific data rather than assuming figures from similarly named credentials elsewhere; our OK-CMA Pass Rate 2026: What the Data Shows article works directly from Oklahoma's own testing resources. When you're ready to practice against realistic questions built around these exact domain weights, the practice test hub is the place to start, and you can also check OK-CMA Exam Dates 2026: Testing Windows, Deadlines & Scheduling to plan your test date around your training completion.
Frequently Asked Questions
OK-CMA stands for Oklahoma Certified Medication Aide. On this site it specifically refers to the Basic Written Examination (assessment 8606/6A) administered through Oklahoma CareerTech Testing Center under the oversight of the Oklahoma State Department of Health's Nurse Aide Registry.
No. OK-CMA refers only to Oklahoma's own basic medication aide credential and its specific exam, governance, fees, and rules. Other states and organizations may use similar-sounding names or abbreviations for entirely different certifications with different requirements.
No. The basic OK-CMA credential does not include insulin/glucose-monitoring, feeding-tube, or inhaler/nebulizer authority. Those require separate advanced medication-aide endorsements beyond the basic written examination covered on this site.
The exam contains 65 multiple-choice questions administered over two hours, with a 70% score required to pass, per the current operational testing table.
The Oklahoma State Department of Health's Nurse Aide Registry governs the credential, while the Oklahoma CareerTech Testing Center's Health and Professional Certification Project develops and delivers the written assessment at approved test sites.