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Certified Professional Biller
Find the current format, timing, scoring, fees, eligibility, and testing options for CPB, with direct links to official sources.
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Questions135 multiple-choice questions (including 34 case-analysis questions based on provided source documents)
Testing time4 hours, administered in one sitting
ScoringPassing requires an overall score of 70% or higher — at least 95 of 135 questions correct (more than 41 incorrect answers is a fail); failed candidates receive category sub-scores of 65% or less to guide retesting
Exam feeUSD 425 for one exam attempt, or USD 499 for two exam attempts; requires current-year (or preceding-year) CPT, ICD-10-CM, and HCPCS Level II code books, available as print or eBooks through the exam platform; credential maintenance requires AAPC annual membership plus 36 CEUs every two years
Prep options
Study resources for CPB
Independent prep
Courses and study resources
Exam overview
What to know before choosing your prep
- Who runs it
- AAPC
- Category
- Health Information & Coding
- Current version
- Current specification; no public version label (single current CPB exam with a published 135-question, 7-domain breakdown)
- Where it applies
- United States — national
- Exam languages
- English
- Score scale
- Percentage of correct answers (70% pass mark; 95 of 135 questions)
- Testing provider
- Meazure Learning testing centers; live remote proctoring for at-home exams
- Format
- Open-book, computer-based multiple-choice exam; taken online at home with a live remote proctor or on a computer at a Meazure Learning testing center; approved references limited to AMA CPT Professional Edition plus one ICD-10-CM and one HCPCS Level II book (print or eBook), with an on-screen calculator
- Availability
- Year-round by appointment; at-home exams offer flexible 24/7 scheduling, and testing centers are available at hundreds of locations worldwide
- Results
- Results posted online in the candidate's AAPC Account Dashboard within 7-10 business days after taking the exam; certificate mailed after passing
- Remote testing
- Available
Exam structure
One open-book computer-based exam of 135 multiple-choice questions in a single 4-hour sitting; question domains: Types of insurance (29), Billing regulations (17), HIPAA and compliance (7), Reimbursement and collections (19), Claims and billing (19), Coding (10), Case analysis (34, with source documents such as CMS-1500 forms, LCDs/NCDs, appeal letters, and A/R reports provided for review)
Where rules vary
U.S. medical billing credential centered on American payers and regulations (Medicare, Medicaid, CMS-1500/UB-04, HIPAA); exam content is uniform, and testing centers are available at hundreds of locations worldwide plus at-home proctoring
Eligibility
No formal eligibility gate, but AAPC recommends (and lists as experience requirements) high-level knowledge of medical terminology, anatomy, and pathophysiology plus proper application of payer policies, compliance rules, healthcare regulations, and CPT/HCPCS Level II/ICD-10-CM codes; the CPB training course is recommended beforehand
Retake policy
A second attempt is bundled at purchase time — one exam attempt for $425 or two attempts for $499; failed candidates are shown categories with sub-scores of 65% or less to prepare for retesting