CPA-HM Exam Domains 2026: Complete Guide to All 12 Content Areas

How the NCCPA Blueprint Is Built

The credential behind this site is the Certificate of Added Qualifications in Hospital Medicine, designated PA-C, CAQ-HM, issued by the National Commission on Certification of Physician Assistants (NCCPA). "CPA-HM" is simply the shorthand this site uses for it. It is an added-qualifications credential for certified PAs, not a separate initial PA certification and not a physician board credential, and that distinction shapes how you should read the blueprint. The exam assumes you already practice as a PA-C managing hospitalized adults, so questions test inpatient judgment rather than entry-level recall. If you are still confirming whether you qualify, start with our guide to CPA-HM eligibility, prerequisites and how to qualify.

NCCPA publishes its scope in a four-page document, the Content Blueprint for the Hospital Medicine CAQ Examination. It organizes content in two different ways at once:

• Medical content categories: twelve organ-system and practice areas, each with a percentage of the exam.
• Task allocations: eight clinical task types, such as diagnosing or prescribing, each with its own percentage.

Every question can be classified both ways. A question about choosing an antibiotic for hospital-acquired pneumonia, for example, counts toward the Pulmonology or Infectious Diseases content weight and toward the Pharmaceutical Therapeutics task weight. Candidates who mix up the two classifications often misread the blueprint, a point we return to below.

All 12 Domains and Weights at a Glance

The table below reproduces the official medical content categories with their percentages. Together they sum to 100%.

On a 120-question exam, these percentages translate to roughly 20 Cardiovascular items, 16 Pulmonology items, and 14 Infectious Diseases items, with only a handful each from Allergy/Immunology/Rheumatology and Perioperative Medicine. Those are approximations from the published weights, not a guaranteed item count, and scored versus unscored item handling is not something the blueprint spells out. For a broader view of how this distribution feeds into preparation, see our CPA-HM study guide for passing on your first attempt.

The Three Heaviest Domains

Cardiovascular, Pulmonology and Infectious Diseases make up 42% of the blueprint. For a hospital-based PA this makes clinical sense: chest pain, heart failure, rhythm problems, respiratory failure, pneumonia, sepsis and line or wound infections drive a large share of inpatient admissions and consults.

Because these three domains also overlap with one another (a septic patient with pneumonia and heart failure is a realistic stem), studying them together pays off. We cover how that plays out in practice in our difficulty guide to the CPA-HM exam.

Mid-Weight Domains: GI, Nephrology, Heme/Onc, Neurology

Four domains sit in the 8% to 9% band and together represent 34% of the exam. Individually none dominates, but collectively they rival the top three.

Gastroenterology (9%)

Think of the problems that bring patients through the emergency department or complicate a stay: upper and lower gastrointestinal bleeding, pancreatitis, cirrhosis and its complications, inflammatory bowel disease flares, and bowel obstruction. Be ready to choose between imaging, endoscopy and supportive management.

Nephrology/Genitourinary (9%)

Acute kidney injury, electrolyte and acid-base disturbances, and renal dosing of medications are the recurring themes. Distinguishing prerenal, intrinsic and postrenal causes, and knowing which common hospital drugs and contrast exposures to hold or adjust, is high-yield here.

Hematology/Oncology (8%)

Anemia work-up, thrombocytopenia, coagulopathy, anticoagulation management and transfusion decisions appear alongside oncologic emergencies and complications of cancer therapy in the hospitalized patient.

Neurology (8%)

Stroke and transient ischemic attack, seizures, altered mental status and delirium, headache with red flags, and neuromuscular emergencies are natural inpatient topics. Time-sensitive decision points (what to image, when, and what to start) matter more than rare syndromes.

Lighter Domains That Still Cost Points

Endocrinology (6%), Psychiatry (5%), Perioperative Medicine (4%) and Allergy/Immunology/Rheumatology (3%) add up to 18% of the exam. Because they are small, each has fewer questions, and there is less room to recover from a blind spot.

• Endocrinology (6%): inpatient glycemic management, diabetic ketoacidosis and hyperosmolar states, adrenal and thyroid emergencies, and perioperative steroid considerations.
• Psychiatry (5%): delirium versus primary psychiatric illness, alcohol and substance withdrawal, agitation management, and psychotropic medication risks in medically ill patients.
• Perioperative Medicine (4%): preoperative risk assessment, medication management around surgery, and postoperative complications that a hospital medicine clinician co-manages.
• Allergy/Immunology/Rheumatology (3%): anaphylaxis, drug reactions, and the inpatient presentation of autoimmune and rheumatic disease.

Perioperative Medicine and Psychiatry are especially worth a deliberate pass because many hospitalists encounter them as co-management rather than as a primary service, so familiarity can be uneven. A fast, structured review of these small domains is usually more efficient than a deep dive, and our one-page CPA-HM cheat sheet is built for exactly that kind of final-week skim.

Domain 12: Professional Practice Is Not Optional

Professional Practice carries 6% of the exam and is printed as category L, following categories 1 through 11. It is easy to overlook because the blueprint's example pages do not give it a separate clinical chapter the way they do for organ systems. That is a trap: it is an explicit, scored category, worth as much as Endocrinology.

Because the blueprint is intentionally non-exhaustive, the safest approach is to read every sample critique closely and note any professional-practice themes that recur. The same document structure also frames what your collaborating physician or lead PA attests to on the skills and patient-case form, which is one reason to take the practice side of the credential seriously. For background on how the credential itself is defined, see what CPA-HM certification is.

The Second Classification: Task Allocations

The same blueprint also divides the exam by the clinical task being tested. These are not additional domains and they do not add to the twelve content categories; they are a parallel way of slicing the same questions.

What the task view tells you is how to study each domain: be able to order and interpret the right test, name the most likely diagnosis, choose the medication, and manage the patient, not merely define the disease. Roughly half of the task weight (Ordering and Interpreting, Formulating a Diagnosis, Pharmaceutical Therapeutics) is concentrated in three skill types, and Patient Management on top of that reaches 68% of task weight across four.

Exam Format and Registration Mechanics

Knowing the domains is only half of readiness; you also need to understand the testing conditions. The initial exam is delivered at Pearson VUE test centers and is made up of 120 multiple-choice questions arranged as two 60-question blocks, with 60 minutes allotted to each block. The two hours of testing time exclude a separate 15-minute tutorial and a 15-minute break.

• No references: books, notes and personal calculators are prohibited.
• Closed blocks stay closed: once you finish a 60-question block, you cannot reopen it, so answer and flag with that in mind.
• Pacing: 60 minutes for 60 questions leaves about a minute per item, which is workable for case-based stems but unforgiving if you stall.
• Initial fee: $350 in total, made up of a $100 registration/administrative fee and a $250 examination fee. A full breakdown is in our CPA-HM certification cost guide.
• Results: score release follows validation and is generally eight to ten weeks after administration.

Award requires both a passing score on the specialty exam and completion of the applicable non-exam requirements, which include the skills and patient-case attestation. That attestation can be submitted before the exam or within 90 days after score notification. For scheduling specifics, see our page on CPA-HM exam dates, deadlines and scheduling. A numeric passing threshold has not been published in a form we could verify, so we do not quote one; the discussion in our passing score article explains what is and is not known.

Sequencing Your Study by Domain

Generic methods matter less than ordering your domains sensibly. A weight-aware sequence for a roughly six-week window might look like this, with the logic tied to blueprint percentages and domain overlap.

If your clinical week is already dominated by cardiology and pulmonary patients, you may be able to compress those weeks and spend longer on domains you see less often. Pairing this schedule with the full CPA-HM study guide and with timed question sets on our practice test platform keeps your preparation aligned with how the exam is actually built. You can also try question sets organized by domain on the main CPA-HM Exam Prep site.

Frequently Asked Questions