Medical Billing and Coding Test: Practice Questions & Exam Prep (2026)

If you're preparing for a medical billing and coding test, whether it's part of a certification exam or a pre-employment screening, knowing what to expect can make the difference between passing confidently and getting caught off guard. This guide breaks down what these tests actually cover, the types of questions you'll see, and how to prepare.

What Is a Medical Billing and Coding Test?

A medical billing and coding test evaluates your knowledge of the systems used to translate healthcare services into standardized codes for insurance claims and patient records. You'll encounter these tests in a few different contexts: certification exams like the CPC (Certified Professional Coder) or CBCS (Certified Billing and Coding Specialist), academic coursework assessments, and employer skills screenings during the hiring process. Our medical coding certification guide compares the main credentials.

Each type of test has a different purpose, but they draw from the same core knowledge base: medical terminology, anatomy, ICD-10-CM diagnosis codes, CPT procedure codes, HCPCS Level II codes, and, on billing-focused exams, insurance claims processing.

What Topics Are Covered

Most medical billing and coding tests, including certification exams, pull questions from these core areas:

• Medical terminology and anatomy - understanding body systems and clinical language well enough to code accurately
• ICD-10-CM diagnosis coding - assigning the correct diagnosis codes based on documentation
• CPT procedure coding - coding the services and procedures performed, including specialty areas such as evaluation and management, anesthesia, radiology, and pathology
• HCPCS Level II codes - coding supplies, equipment, and services not covered by CPT
• Insurance and reimbursement - claims processing, payer rules, and denial management basics, especially on billing-and-coding exams like the CBCS
• Compliance and regulations - HIPAA and general healthcare documentation standards

The CPC exam is coding-focused and consists of 100 multiple-choice questions with a four-hour time limit, and you need 70% to pass. NHA's CBCS exam, by contrast, also covers revenue cycle, compliance, and billing and reimbursement. If you're newer to the field, our how to become a medical coder guide walks through the full path.

Sample Question Types

You won't find exact exam questions published anywhere (certification bodies protect their question banks), but questions generally follow a few consistent formats:

• Given a short clinical scenario, select the correct ICD-10 or CPT code
• Identify the correct modifier for a given procedure
• Determine which HCPCS code applies to a described supply or service
• Answer terminology or anatomy questions tied to a coding decision

The scenarios are designed to test applied knowledge, not memorization. You need to understand why a code applies, not just recognize it.

How to Prepare

A few things consistently help candidates perform better on these tests:

• Use official practice exams where available, especially ones published by the certifying body (AAPC, AHIMA, or NHA depending on your target credential)
• Review current code sets since ICD-10-CM updates take effect each October, CPT updates each January, and HCPCS Level II is updated quarterly, so outdated study material can teach you the wrong answer
• Practice timed sessions to build comfort with the pacing of a real exam
• Focus on weak areas identified through practice tests rather than re-studying what you already know

Frequently Asked Questions

Is the medical billing and coding test hard?
It depends on your preparation. The material itself (codes, terminology, claims rules) is learnable, but the volume of detail and the applied-scenario format trip up candidates who only memorize rather than practice.

Do I need a certification to get hired?
Not always. Many employers hire entry-level billers and coders without certification, though the U.S. Bureau of Labor Statistics notes that employers may prefer certified candidates or expect new hires to earn certification shortly after starting. See our medical biller requirements guide for what employers look for.

How long should I study before taking the test?
It varies with your prior experience and whether you're studying alongside a formal training program. Plan around your practice-test results rather than a fixed number of weeks, and don't book the exam until your timed practice scores are consistently strong.

Where to find remote medical billing and coding roles

Med Billing Talent lists current remote, US-based openings across both billing and coding roles, screened to exclude offshore and outsourced postings. Browse Medical Billing Specialist jobs → or Browse Medical Coder jobs →

Related Articles:

• Medical Coding Certification Guide
• Medical Biller Requirements: Education, Certifications & Skills
• How to Become a Medical Coder

Sources: BLS Medical Records Specialists, AAPC CPC, NHA CBCS, CMS HCPCS Quarterly Update, FindACode Annual Code Changes