CPC Pass Rate, Format & Study Guide

The Certified Professional Coder (CPC) is administered by AAPC (originally the American Academy of Professional Coders), founded in 1988 with a specific focus on education and certification for coders working in physician-based (as opposed to hospital/facility) settings. AAPC has since grown into the nation's largest education and credentialing organization for medical coders, billers, auditors, practice managers, and revenue cycle managers, and CPC is its most widely held credential — validating that a coder can accurately translate physician documentation into the CPT, ICD-10-CM, and HCPCS Level II codes that drive medical billing, reimbursement, and healthcare data reporting across the outpatient/physician-services setting specifically.

Accurate medical coding directly affects whether healthcare providers get paid correctly, whether health data used for research and public health reporting is reliable, and whether an organization stays compliant with billing regulations — real stakes that make coding a genuinely consequential function within healthcare administration, not a purely clerical task. CPC is widely recognized by employers as the gold-standard credential specifically for physician-based, outpatient coding, and it's frequently listed as a required or strongly preferred qualification in job postings for medical coder, coding auditor, and related revenue-cycle roles.

CPC is for coders working in (or entering) physician-based, outpatient coding — medical billing and coding professionals in physician practices, outpatient clinics, and similar non-hospital settings. Because AAPC allows candidates to sit for the exam without prior experience (earning the CPC-Apprentice designation until qualifying experience is later documented — see Eligibility below), it's genuinely accessible to career-changers and coding-program graduates without requiring years of prior work history first.

The certifying body does not publicly publish an official pass rate for this exam. Be wary of third-party sites citing a specific number here — treat any pass-rate claim you see elsewhere for this exam as unverified.

One free retake is included if taken within 1 year of your original exam date, purchased as part of the standard 2-attempt exam bundle; beyond that window or a 3rd+ attempt, a new voucher must be purchased at full price. Results are typically posted 7-10 business days after the exam (longer during AAPC's busier June/November/December/January periods).

The passing score is a flat 70% overall. Since 2009, there is no per-section minimum — a strong section can offset a weaker one, as long as the overall score clears 70%.

The exam is 100 questions administered over 240 minutes, and — unlike most exams on this site — it's genuinely open-book: current or prior-year edition CPT, ICD-10-CM, and HCPCS Level II codebooks from an approved publisher are permitted, with tabbing and highlighting allowed (though no loose inserts or sticky notes), and candidates choose eBook or print codebook format when purchasing their exam voucher. It can be taken via live remote online proctoring or at an in-person testing center, giving candidates real flexibility in how they sit for it.

• Medical Terminology and Anatomy5.88%
• Evaluation and Management (E/M)5.88%
• Anesthesia5.88%
• Surgery - Integumentary System5.88%
• Surgery - Musculoskeletal System5.88%
• Surgery - Respiratory System5.88%
• Surgery - Cardiovascular, Hemic/Lymphatic, Mediastinum and Diaphragm5.88%
• Surgery - Digestive System5.88%
• Surgery - Urinary and Male Genital Systems5.88%
• Surgery - Female Genital System and Maternity Care5.88%
• Surgery - Endocrine and Nervous Systems5.88%
• Surgery - Eye, Ocular Adnexa, and Auditory System5.88%
• Radiology5.88%
• Pathology and Laboratory5.88%
• Medicine5.88%
• ICD-10-CM Diagnosis Coding5.88%
• HCPCS Level II, Modifiers, and Coding Guidelines/Compliance6.08%

CPC content spans 17 genuinely evenly-weighted domains (each roughly 5.88% of the exam, with HCPCS Level II/Modifiers/Coding Guidelines slightly higher at 6.08%) covering medical terminology and anatomy, Evaluation and Management coding, anesthesia, every major surgical subspecialty (integumentary, musculoskeletal, respiratory, cardiovascular, digestive, urinary/genital, female genital/maternity, endocrine/nervous, and eye/ear systems), radiology, pathology and laboratory, general medicine coding, ICD-10-CM diagnosis coding, and HCPCS Level II/modifiers/compliance guidelines. Because no single domain dominates the way some other credentials' blueprints do, comprehensive coverage across all 17 areas matters more than concentrating study time on any particular subspecialty.

There's no formal experience requirement to register for the CPC exam — only current AAPC membership is required — though AAPC recommends 2 years of medical coding experience since the exam content is written assuming that experience level. Candidates without that experience (or an AAPC-approved training program) can still sit for and pass the exam; they're simply certified as CPC-Apprentice (CPC-A) rather than full CPC, with the "Apprentice" designation removed once the required experience or education is later documented to AAPC. This makes CPC genuinely accessible to newcomers, with the CPC-A designation functioning as an honest, transparent signal to employers that a candidate has passed the exam but not yet accumulated the typically-expected field experience.

The exam costs $425 for a single attempt or $499 for a discounted 2-attempt bundle (discounted student pricing runs $400/$475 respectively), on top of a separate annual AAPC membership fee that's required in order to test at all — membership isn't optional for CPC candidates the way it sometimes is for other credentials' discount tiers. Budget for both the exam fee and the recurring membership cost when planning for this credential, since the membership requirement doesn't end once you've passed the exam either (see Maintenance below).

AAPC requires 36 continuing education units (CEUs) every 2 years to maintain the CPC credential, plus ongoing annual AAPC membership dues that continue even in years a candidate isn't actively reporting CEUs — membership is a standing requirement of holding the credential, not just a one-time cost incurred to sit for the original exam. Candidates who hold additional AAPC specialty credentials on top of CPC face a higher combined CEU bar: each additional specialty credential requires 16 more CEUs per 2-year cycle, on top of the base 36 required for CPC itself.

For a 100-question, 4-hour, open-book exam spanning 17 coding domains (anatomy/terminology, E/M, anesthesia, every major surgical subspecialty, radiology, pathology, medicine, and ICD-10-CM/HCPCS Level II), a reasonable default is 8-12 weeks of structured study for a candidate without prior coding experience — building real code-book navigation speed matters as much as content recall, since the exam is open-book but still tightly timed (about 2.4 minutes per question).

No structural changes to the CPC exam's 100-question/240-minute/open-book format, its 17-domain weighting, or AAPC's 2-year/36-CEU maintenance cycle have been publicly announced as of August 2026. Because the exam directly tests current CPT, ICD-10-CM, and HCPCS Level II code sets — all of which are updated annually by their respective maintaining bodies — candidates should confirm they're studying and testing against the current-year code set edition rather than an outdated one, even though the underlying exam structure and domain weighting itself has remained stable.