- Confirm You're Studying the Right Exam
- The Exam at a Glance
- Eligibility Snapshot
- Blueprint Weights You Should Memorize
- Clinical Judgment Cheat Sheet (67%)
- Skills and Procedures That Appear in Items
- The Seven Non-Clinical Competencies
- The Adult-Gerontology Lens
- Which Domain to Study When
- Frequently Asked Questions
- The exam has 175 multiple-choice items: 150 scored, 25 unscored, with 3.5 hours to finish.
- Clinical Judgment carries 67% of the blueprint; the seven other domains share the remaining 33%.
- Cardiovascular (11%) and Respiratory (9%) are the two heaviest clinical categories.
- Professional Caring & Ethical Practice is a parent category, not an extra domain.
Confirm You're Studying the Right Exam
Several credentials share a similar acronym, so start with a quick sanity check. This cheat sheet covers the Clinical Nurse Specialist; Wellness through Acute Care (Adult-Gerontology) (ACCNS-AG) certification, issued by the American Association of Critical-Care Nurses (AACN Certification Corporation). It is the adult-gerontology clinical nurse specialist certification spanning wellness through acute care. It is not ACNPC-AG (the nurse practitioner credential), not adult CCRN (the bedside critical care nurse exam), and not the retired CCNS.
If you want the long-form background on the credential, see What Is ACCNS-AG? and What Does ACCNS-AG Stand For?. This page is the compressed, one-sitting review.
The Exam at a Glance
| Item | What to Know |
|---|---|
| Certifying body | AACN Certification Corporation |
| Total items | 175 multiple-choice questions |
| Scored items | 150 |
| Unscored items | 25 (you cannot tell which ones) |
| Time allowed | 3.5 hours |
| Test plan applies to | Exams on and after January 31, 2024 |
| Handbook version | ACCNS-AG Exam Handbook, July 2026 |
Because 25 items are unscored pretest questions, treat every question as if it counts. Don't burn time trying to guess which items are "experimental." For pacing, 175 items in 3.5 hours works out to roughly 72 seconds per item, so long case-style stems need to be read efficiently.
Eligibility Snapshot
Two pillars define eligibility:
- Licensure: a current, unencumbered U.S. RN or APRN license.
- Education: graduate-level, accredited adult-gerontology CNS education that includes supervised clinical coursework and didactic coursework.
"Unencumbered" means no restrictions or disciplinary limits on the license. The education requirement is specific to the adult-gerontology CNS track, so confirm your program's documentation lines up with it before you apply. For the full walk-through, read ACCNS-AG Requirements.
Blueprint Weights You Should Memorize
The blueprint has eight validated competency dimensions. Clinical Judgment is the dominant domain; the other seven fall under the parent category Professional Caring & Ethical Practice. That parent category is a grouping, not a ninth domain.
| Domain | Weight |
|---|---|
| 1. Clinical Judgment | 67% |
| 2. Advocacy/Moral Agency | 3% |
| 3. Caring Practices | 4% |
| 4. Response to Diversity | 4% |
| 5. Facilitation of Learning | 4% |
| 6. Collaboration | 6% |
| 7. Systems Thinking | 6% |
| 8. Clinical Inquiry | 6% |
Percentages may not sum to exactly 100 because of rounding. The non-clinical domains together add up to roughly a third of the exam, which is far too much to ignore. For a deeper breakdown, see the complete guide to all 8 content areas.
Clinical Judgment Cheat Sheet (67%)
Clinical Judgment items are classified by patient care problem category. Each item is also written to reflect one of the validated competencies. Here are the categories and their weights:
| Category | Weight |
|---|---|
| Cardiovascular | 11% |
| Respiratory | 9% |
| Multisystem | 7% |
| Renal/Genitourinary | 6% |
| Endocrine | 5% |
| Gastrointestinal | 5% |
| Neurology | 5% |
| Psychosocial/Behavioral/Cognitive Health Issues | 5% |
| Factors Influencing Health Status (risk assessment, prevention and wellness) | 5% |
| Hematology/Immunology/Oncology | 3% |
| Integumentary | 3% |
| Musculoskeletal | 3% |
Cardiovascular (11%)
The single heaviest category. Expect both emergent and chronic problems, plus device-heavy content.
- Acute coronary syndrome, cardiogenic shock, cardiac tamponade, cardiac trauma
- Cardiac surgery: on-pump, off-pump, valve, hybrid, and revascularization procedures
- Heart failure across acute, chronic, and advanced presentations
- Hypertension and hypertensive urgencies or emergencies; ruptured or dissecting aneurysm
- Mechanical circulatory support: IABP, VA ECMO, VV ECMO, Impella, LVAD
- Cardiomyopathies, dysrhythmias, structural heart disease, peripheral vascular insufficiency
Respiratory (9%)
Know acute failure states and the chronic conditions that predispose to them.
- ARDS, acute respiratory failure, acute pulmonary embolus, air-leak syndromes
- Asthma/reactive airway disease, COPD exacerbation, interstitial fibrosis, cystic fibrosis
- Chronic respiratory failure (including ventilator dependency), obstructive sleep apnea, pulmonary arterial hypertension
- Thoracic surgery and thoracic/pulmonary trauma; pleural effusion; pulmonary infections
Multisystem (7%)
The "everything touches everything" category, and a strong fit for CNS-level thinking.
- Sepsis/septic shock and MODS, hypovolemic and distributive shock
- Acid-base imbalances, burns, compartment syndrome, rhabdomyolysis, methemoglobinemia
- Hospital-acquired conditions (CAUTI, CLABSI, falls, pressure injuries)
- End-of-life and palliative care issues, withdrawal syndromes, toxic exposures, antimicrobial stewardship
Endocrine, Renal/GU, and GI (5%, 6%, 5%)
Frequently tested through electrolyte, fluid, and glycemic management scenarios.
- Endocrine: DKA and HHS, SIADH, diabetes insipidus, adrenal, pituitary, and thyroid disorders
- Renal/GU: AKI, CKD, contrast-induced nephropathy, electrolyte and fluid volume imbalances
- GI: GI hemorrhage, bowel infarction/obstruction/perforation, pancreatitis, hepatorenal syndrome, liver disease, malnutrition
Neurology and Psychosocial/Behavioral/Cognitive (5% each)
These pair well in study because delirium, encephalopathy, and capacity questions overlap.
- Neuro: stroke, intracranial hypertension, intracerebral hemorrhage, spinal cord injury, seizure disorders, brain death, cerebral salt wasting
- Psychosocial: delirium, dementia, capacity for decision-making, post-ICU syndrome, substance use disorder, suicidal behavior, maltreatment
Factors Influencing Health Status (5%)
This wellness-through-acute-care emphasis is what separates the CNS exam from a pure critical care exam.
- Advance care planning, immunizations, mental health screenings, caregiver burden
- Secondary prevention (cardiac rehab, pulmonary rehab), nutrition, sleep hygiene, pain prevention
- Social determinants of health, health literacy, population health, team-based care
- Vulnerable population screens, such as intimate partner violence and human trafficking
The smaller categories (Hematology/Immunology/Oncology, Integumentary, Musculoskeletal at 3% each) are low-weight but easy points. Think coagulopathies including DIC and HELLP, Stevens-Johnson syndrome, extravasation, pressure injuries, and necrotizing fasciitis or osteomyelitis.
Skills and Procedures That Appear in Items
The test plan notes that items may require an understanding of skills and procedures pertinent to the adult-gerontology CNS. The published list is explicitly not all-encompassing, so other well-established procedures can appear. These are blueprint dimensions, not optional modules. High-yield examples by system:
- Cardiovascular: interpret 12-lead ECGs and hemodynamic values; manage temporary transvenous, epicardial, and transcutaneous pacemakers; perform synchronized cardioversion; manage cardiac assist devices; use echocardiogram data; manage arterial and venous sheath removal.
- Respiratory: manage mechanical ventilation, noninvasive ventilation/CPAP, artificial airways, and chest tubes; end-tidal CO2 monitoring; extubation; terminal ventilator withdrawal; nitric oxide therapy; interpret pulmonary function tests.
- Endocrine: insulin infusions and pumps, corticosteroid tapering, fluid and electrolyte management in endocrine disorders.
- Neurology: ICP monitoring, lumbar drains, epidural catheters, neuromuscular blockade, bispectral index monitoring, targeted temperature management, brain death testing.
- Behavioral: de-escalation techniques, restraint management and alternatives, managing assaultive behavior.
- Multisystem: procedural sedation, interpreting diagnostic imaging (radiographic, CT, MRI), complex pain problems and nonpharmacological pain interventions, pandemic management, preventing hospital-acquired infections.
The Seven Non-Clinical Competencies
Together these domains make up a meaningful share of scored items. Each combines Core CNS competencies with Adult-Gerontology CNS competencies.
Advocacy/Moral Agency (3%)
Think ethics and patient rights in complex cases.
- Facilitating informed, shared decision-making with patients, families, and healthcare proxies
- Resolving ethical conflict and moral distress among nursing staff
- Balancing preferences against safety threats (fall prevention, pain management, treatment choices)
- Policy advocacy and promoting the CNS/APRN role
Caring Practices (4%)
- Creating therapeutic, aging-friendly environments
- Behavioral, communication, and environmental-modification strategies for patients with cognitive and psychiatric impairments
- Advising on sensitive topics such as driving, independent living, finances, and advance care planning
- Facilitating safe transitions of care
Response to Diversity (4%)
- Preventing the impact of implicit bias on relationships and outcomes
- Assessing cultural, spiritual, quality-of-life, and lifestyle preferences
- Addressing ageism, sexism, socioeconomic bias, and mental health stigma in policy and systems
Facilitation of Learning (4%)
- Tailoring education to readiness to learn and social determinants of health
- Coaching patients with complex learning needs and atypical responses
- Mentoring nurses in evidence-based practice
- Designing programs on normal aging, aging myths, and prevention for older adults and caregivers
Collaboration (6%)
- Advanced communication in difficult conversations; conflict management and negotiation
- Leading interprofessional teams in evidence-based practice and research opportunities
- Advocating for access to hospice and palliative care across the adult age spectrum
Systems Thinking (6%)
- Leading quality improvement and safety initiatives using gap analysis and process evaluation
- Managing transitions of care, including analyzing patient and family readiness and determining the appropriate level or setting of care
- Selecting and evaluating technology and products; integrating information technology to enhance safety
- Developing and evaluating clinical practice guidelines
Clinical Inquiry (6%)
- Designing evidence-based, cost-effective interventions and evaluating their impact on aggregate outcomes
- Assessing the practice environment for improvement opportunities
- Partnering with doctorally prepared, research-focused colleagues to translate and disseminate research
- Using data collection tools and consents that are appropriate for adult-older adult populations
The Adult-Gerontology Lens
Every Clinical Judgment item is written to reflect a competency, and the Adult-Gerontology CNS competencies recur throughout. When you read a stem, ask which of these themes is being tested:
- Age-related change: physiological and functional changes across the adult continuum, plus age-specific and genetic risk factors.
- Acute-on-chronic interaction: how acute and chronic physical and mental health problems influence each other, and the effect of comorbidities.
- Geriatric syndromes and iatrogenesis: infection, adverse drug effects, dehydration, ischemia, and interventions to prevent or minimize iatrogenesis.
- Pharmacologic assessment: polypharmacy, drug interactions, over-the-counter and herbal products, and the ability to store and self-administer medications safely.
- Lab and diagnostic interpretation with consideration of age, ethnicity, and health status.
- Assessment of hard-to-assess patients: nonverbal, developmentally impaired, functionally impaired, or cognitively impaired individuals, using validated age-appropriate instruments for mental status, delirium, dementia, and pain.
- Caregiver capacity: whether patients, families, and caregivers can implement complex care plans.
Key Takeaway
When two answer choices look clinically defensible, the better answer usually accounts for the older adult's comorbidities, medication burden, functional status, or caregiver situation. That is the adult-gerontology CNS signature.
Which Domain to Study When
You don't need a generic calendar, just a sequence that matches the blueprint's weight and dependencies. Here is one ACCNS-AG-specific ordering you can stretch or compress:
Cardiovascular and Respiratory (20% combined)
- Heaviest categories first, so you get the biggest return early
- Pair mechanical circulatory support with ventilation and oxygenation concepts
Multisystem, Renal/GU, Endocrine, GI
- Shock states, sepsis, acid-base, and electrolytes tie these systems together
- Review insulin infusions, DKA/HHS, SIADH, and DI side by side
Neurology and Psychosocial/Cognitive
- Study delirium, dementia, encephalopathy, and capacity together
- Cover ICP management, targeted temperature management, and brain death testing
Wellness and the seven non-clinical domains
- Prevention, advance care planning, social determinants, and transitions of care
- Practice distinguishing leadership-level answers from bedside-task answers
Finish with timed mixed sets so you can feel the 175-item pace. Our ACCNS-AG study guide expands on how to structure that final stretch, and How Hard Is the ACCNS-AG Exam? helps you calibrate your expectations. When you're ready to test yourself, try the ACCNS-AG practice tests.
Last-Minute Quick Hits
- Clinical Judgment (67%) is two-thirds of the exam; don't let the other seven domains lull you into thinking the exam is "mostly theory."
- The eight competencies are blueprint dimensions; Professional Caring & Ethical Practice is the parent of the seven non-clinical ones.
- The patient care problems, skills/procedures, and competencies are all fair game, not optional modules.
- Questions are single-answer multiple choice, so eliminate options that ignore age, comorbidity, or safety.
- Know the verbs: a CNS often directs, interprets, consults, and leads systems change rather than only performing tasks.
For career context once you're certified, see ACCNS-AG jobs, the salary guide, and whether the certification is worth it. If you want realistic exam-style practice, head back to the main practice test site.
Frequently Asked Questions
The exam has 175 multiple-choice items. Of those, 150 are scored and 25 are unscored, and you have 3.5 hours to complete it. You can't tell which items are unscored, so answer every question carefully.
Clinical Judgment, at 67% of the blueprint. Within it, Cardiovascular (11%) and Respiratory (9%) are the heaviest patient care problem categories, followed by Multisystem (7%) and Renal/Genitourinary (6%).
No. It is the parent category for the seven non-clinical competencies: Advocacy/Moral Agency, Caring Practices, Response to Diversity, Facilitation of Learning, Collaboration, Systems Thinking, and Clinical Inquiry. It is not an additional domain with its own weight.
Candidates need a current, unencumbered U.S. RN or APRN license and graduate-level, accredited adult-gerontology CNS education that includes supervised clinical and didactic coursework. Confirm current details in the AACN handbook and in our requirements guide.
No. ACCNS-AG is the adult-gerontology clinical nurse specialist certification spanning wellness through acute care. ACNPC-AG is a nurse practitioner credential, adult CCRN is a bedside critical care nursing exam, and the retired CCNS is a separate, discontinued credential.