Source ledger

References and rights boundary

Instruction is independently written from public guidance and authoritative scope references. No CPT codebook text or proprietary exam questions are reproduced.

AAPC CPC Certification Information

Current exam format and candidate requirements

Open source

AAPC membership plans and pricing pages

Individual and student membership tiers and annual pricing

Open source

AAPC Project Xtern externship program pages

Project Xtern eligibility, structure, and hour requirement

Open source

AAPC Taking the CPC Exam

Current exam format, materials, timing, and passing requirements

Open source

AAPC Electronic Exam Requirements

Testing-center and remote electronic exam delivery requirements

Open source

AAPC Live Remote Proctored (LRP) Exam Requirements

Remote proctoring equipment, environment, and room-scan requirements

Open source

AAPC Books for the Exam

Permitted codebook editions and the eBook-versus-print codebook choice

Open source

AAPC: What should I bring with me to the exam?

Permitted and banned exam-room items

Open source

AAPC In-Person and Online CPC Exam FAQs

Break policy, results timing, and retake scheduling FAQs

Open source

AAPC: When will my credential(s) be revoked?

Membership grace period, hold, and credential revocation timeline

Open source

National Library of Medicine consumer health vocabulary and medical terminology resources

General medical terminology reference

Open source

National Library of Medicine / MedlinePlus body systems overview

Anatomy and body systems reference, endocrine system

Open source

Medical Terminology for Healthcare Professions

Open medical terminology and body-systems text

Open source

AMA CPT code set and licensing guidance

CPT ownership, licensing, and current-year reference boundary

Open source

Medicare Claims Processing Manual Chapter 13: Radiology Services

Radiology service, component, supervision, and payment guidance

Open source

CMS National Correct Coding Initiative (NCCI) Edits

PTP and MUE edit files and NCCI Policy Manual

Open source

HHS Office of Inspector General -- fraud and abuse compliance guidance

Physician compliance program guidance; fraud vs. abuse distinction

Open source

HHS.gov HIPAA for Professionals

Privacy and Security Rule overview

Open source

Medicare NCCI Policy Manual

2026 policy manual and quarterly edit principles

Open source

CMS ICD-10-CM Coding Guidelines

2026 official guidelines and tabular conventions

Open source

CDC/NCHS ICD-10-CM Browser Tool

Code structure and category lookup reference used for verification during authoring

Open source

FY 2026 ICD-10-CM Official Guidelines for Coding and Reporting

Official conventions, general rules, and chapter-specific guidelines

Open source

CMS HCPCS Level II code set and quarterly updates

HCPCS Level II code set overview, code categories, and modifier list

Open source

CMS HCPCS Level II Coding Process

Level II scope, applications, and update process

Open source

CMS Evaluation and Management Services Compliance Tips

Documentation, selection, and compliance risks

Open source

CMS Medicare anesthesia payment and medical direction billing policy

Anesthesia conversion factor and medical direction/concurrency billing framework

Open source

CMS Anesthesiologists Center

Anesthesia payment, time, direction, and supervision resources

Open source

Medicare NCCI Policy Manual

2026 Chapters 8 and 11 surgery policies

Open source

Medicare NCCI Policy Manual, Chapter 9 Radiology Services

2026 Chapter 9

Open source

Medicare NCCI Policy Manual, Chapter 10 Pathology and Laboratory Services

2026 Chapter 10

Open source

CMS Clinical Labs Information Center

CLIA and Medicare laboratory resources

Open source

Medicare Claims Processing Manual Chapter 16: Laboratory Services

Clinical laboratory reporting and billing guidance

Open source

Medicare NCCI Policy Manual, Chapter 11 Medicine and Evaluation and Management Services

2026 Chapter 11

Open source

Medicare Claims Processing Manual Chapters 17 and 18

Drug and biological reporting; cross-reference preventive services chapter

Open source

Medicare NCCI Policy Manual

2026 complete manual and applicable chapters

Open source

Medicare NCCI Policy Manual

2026 Chapters 1 through 13 integrated edit policy

Open source