ICD 10 Practice Test 2026 — free exam prep

ICD 10 Practice Test

Updated October 2026
📝100-107Questions
⏱️4Hours
🎯70%Passing Score
💵$299-499Exam Fee

What changed for ICD-10-CM/PCS and coding certification in 2026

  • FY2027 ICD-10-CM update takes effect October 1, 2026. The CMS/NCHS release adds 190 new diagnosis codes, deletes 30 and revises 4, taking the code set from 74,719 to 74,879 codes for services dated October 1, 2026 through September 30, 2027. (source) (source)
  • FY2027 ICD-10-PCS (October 1, 2026): 101 new procedure codes, 3 revised titles and 38 deleted codes, for a total of 79,256 ICD-10-PCS codes (up from 79,193). PCS guidelines A6, A7, B3.3, B3.4a, B3.5 and E1.a were updated. (source)
  • FY2027 files were posted early: the FY27 ICD-10-CM Official Guidelines for Coding and Reporting went up on the NCHS FTP site on June 8, 2026, the code tables/index and addenda on June 16, 2026, and the FY2027 conversion table on August 13, 2026. (source)
  • FY2026 (the code set in force until September 30, 2026): ICD-10-CM added 487 codes, deleted 28 and revised 38 (74,260 to 74,719 codes); ICD-10-PCS added 156 codes and deleted 27 (79,115 codes total). (source) (source)
  • AAPC CPC exam (2026): 100 multiple-choice questions in one four-hour sitting, 70% (70 correct) to pass, taken online with a live remote proctor or at a testing center; the exam costs $425 for one attempt or $499 for two attempts (USD, AAPC membership required). (source)
  • AHIMA CCS exam (2026): 107 questions (97 scored + 10 pretest, multiple choice plus medical scenarios), four hours, passing scaled score 300; fee $299 for AHIMA members / $399 for non-members. The entry-level CCA is 105 questions (90 scored) in two hours for $199 / $299. (source) (source)
  • AHIMA code-book rule change: all CCS and CCA exams delivered on or after May 1, 2026 require the 2026 code books from AHIMA's approved list; candidates without the correct books are not allowed to test and forfeit the exam fee. (source)
  • ICD-11 status: WHO's ICD-11 has been in effect internationally since January 1, 2022, but it has not been adopted as a HIPAA code set in the United States. The NCVHS ICD-11 workgroup issued Phase I findings on December 6, 2023 and a recommendation letter to HHS on April 12, 2024 (HHS responded August 19, 2024); ICD-10-CM/PCS remain the required US code sets, as the FY2027 releases confirm. (source) (source)

Last verified: September 17, 2026 against CMS, CDC/NCHS, AAPC, AHIMA, WHO and NCVHS.

ICD-10 certification demonstrates your expertise in medical coding and opens doors to careers in hospitals, physician offices, insurance companies, and healthcare consulting. Certified coders earn 20-30% higher salaries than non-certified peers. Practice with the free ICD 10 practice test on PracticeTestGeeks (150+ questions with answer explanations).

ICD 10 Practice Test Questions

Prepare for the ICD 10 - International Classification of Diseases 10th Revision exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.

ICD 10 Advanced Topics

ICD 10 Exam Questions covering Advanced Topics. Master ICD 10 Test concepts for certification prep.

ICD 10 Body Systems

Free ICD 10 Practice Test featuring Body Systems. Improve your ICD 10 Exam score with mock test prep.

ICD 10 Coding Basics

ICD 10 Test Prep for Coding Basics. Practice ICD 10 Quiz questions and boost your score.

ICD 10 Coding Guidelines

ICD 10 Questions and Answers on Coding Guidelines. Free ICD 10 practice for exam readiness.

ICD 10 Exam Fundamentals

ICD 10 Mock Test covering Exam Fundamentals. Online ICD 10 Test practice with instant feedback.

ICD 10 Practical Applications

ICD 10 Study Material on Practical Applications. Prepare effectively with real exam-style questions.

ICD 10 Review and Assessment

Free ICD 10 Practice Test featuring Review and Assessment. Improve your ICD 10 Exam score with mock test prep.

ICD 10 Z Codes and External Causes

ICD 10 Mock Exam on Z Codes and External Causes. ICD 10 Study Guide questions to pass on your first try.

Free ICD 10 Study Tools

Interactive ICD 10 resources on PracticeTestGeeks, free to start:

  • ICD 10 Practice Test 1 — 25 questions with instant scoring and answer explanations
  • ICD 10 flashcards — review key terms and concepts card by card
  • ICD 10 study guide — topic-by-topic overview of what the exam covers
  • ICD 10 cheat sheet — one-page printable summary for last-minute review
Icd 10 Practice Test - ICD 10 study guide

ICD-10 Coding Flashcards

Click cards to reveal answers - master key ICD-10 coding concepts

📝What is the purpose of the 7th character in ICD-10-CM?

The 7th character provides additional information about the encounter type (A=initial, D=subsequent, S=sequela) or specific clinical details like fracture healing status.

ICD-10 Practice Test Free

🏥How is an ICD-10-PCS code structured?

ICD-10-PCS codes have 7 characters: Section, Body System, Root Operation, Body Part, Approach, Device, and Qualifier. Each position has specific values.

ICD-10-PCS Quiz Free

⚕️What is the sequencing rule for manifestation codes?

Manifestation codes (in brackets) must be sequenced after the underlying condition. The etiology code comes first, followed by the manifestation code.

ICD-10 Coding Questions

📊What does NEC mean in ICD-10-CM?

NEC (Not Elsewhere Classified) indicates the documentation specifies a condition but no specific code exists. Use when documentation is specific but codes are not.

ICD-10 Exam Prep Free

ICD-10 Exam Study Guide

Master all aspects of ICD-10 medical coding with our comprehensive study guide. Each section covers essential topics you need to know for the certification exam.

What is ICD-10 and why is it important?
ICD-10 (International Classification of Diseases, 10th Revision) is the global standard for coding diagnoses (ICD-10-CM) and inpatient procedures (ICD-10-PCS). It enables accurate medical records, proper reimbursement, and healthcare data analysis.
What certifications require ICD-10 knowledge?
Major certifications include CPC (Certified Professional Coder), CCS (Certified Coding Specialist), CCS-P (Physician-based), COC (Certified Outpatient Coder), and CIC (Certified Inpatient Coder) from AAPC and AHIMA.
How many codes are in ICD-10-CM and ICD-10-PCS?
ICD-10-CM contains 74,879 diagnosis codes (FY2027, effective October 1, 2026) organized in 21 chapters. ICD-10-PCS has 79,256 procedure codes built from 7-character alphanumeric combinations.
What is the difference between ICD-10-CM and ICD-10-PCS?
ICD-10-CM codes diagnoses and is used in all healthcare settings. ICD-10-PCS codes procedures and is only used for inpatient hospital services. Outpatient procedures use CPT codes instead.

ICD-10 Exam Score Calculator

Total Scored Questions

75

05375

53 out of 75 correct

71%

Required to Pass: ~70% (Estimated)

Your Score: 53 correct✓PASS

Expect to invest $1,200-3,500 for initial certification including training, materials, and exam fees. This investment typically pays for itself within 3-6 months through higher earnings.

Icd 10 Coding Test - ICD 10 study guide

ICD-10 Coder Career Paths

Explore the diverse career opportunities available to certified ICD-10 medical coders.

🏥

Hospital

Inpatient CoderCode diagnoses and procedures for hospitalized patients using ICD-10-CM and ICD-10-PCS. Work with complex cases including surgeries, trauma, and chronic conditions in acute care settings.

🏢

Physician

Practice CoderProcess outpatient visits for physician offices using ICD-10-CM diagnosis codes and CPT procedure codes. Handle evaluation and management coding for various specialties.

💼

Insurance

Claims ReviewerReview medical claims for accuracy and compliance at health insurance companies. Verify code selection, identify coding errors, and ensure proper reimbursement according to payer guidelines.

🏠

Remote

Medical CoderWork from home coding medical records for hospitals, physician groups, or coding companies. Enjoy flexibility while maintaining productivity standards for chart completion.

📊

Coding Auditor/Educator

Audit medical records for coding accuracy, identify compliance issues, and train other coders. Lead quality improvement initiatives and develop coding education programs.

ICD-10 Exam Day Checklist

  • ✓Valid government-issued photo ID
  • ✓ICD-10-CM and ICD-10-PCS code books
  • ✓CPT and HCPCS code books
  • ✓Exam confirmation/admission letter
  • ✓Silent watch for time management
  • ✓Pencils and eraser (if paper exam)
  • ✓Light snacks and water for breaks
  • ✓Calculator (non-programmable)

Ready to Pass Your ICD-10 Certification?

Start your free ICD-10 practice test now and build the confidence you need to ace your certification exam. Join thousands of successful medical coders who prepared with us!

ICD-10 Certification Renewal

📅

Renewal Cycle Every

2 Years

📚

CEUs Required

36 CEUs

💰

Renewal Fee

$100-200

Earn CEUs through AAPC/AHIMA webinars, online courses, local chapter meetings, or healthcare conferences. Many employers provide CEU opportunities as part of professional development.

ICD 10: Pros and Cons

✅Pros
  • +tb test icd 10 — iCD 10 exam preparation strengthens your knowledge across all domains
  • +Passing the exam proves competency to employers and clients
  • +Study materials and practice tests are widely available
  • +Exam-based credentials are portable across states and employers
  • +Clear exam objectives help focus your study plan effectively
❌Cons
  • −Exam anxiety can affect performance — practice tests help reduce it
  • −Registration fees are non-refundable if you miss your test date
  • −Limited retake opportunities may apply with waiting periods
  • −Exam content updates periodically — use current study materials
  • −Testing center availability may require advance scheduling

Pros and Cons at a Glance

ProsCons
Passing the exam proves competency to employers and clientsExam anxiety can affect performance — practice tests help reduce it
Study materials and practice tests are widely availableRegistration fees are non-refundable if you miss your test date
Exam-based credentials are portable across states and employersLimited retake opportunities may apply with waiting periods
Clear exam objectives help focus your study plan effectivelyExam content updates periodically — use current study materials

Sample ICD 10 Practice Questions

Try these questions from our free ICD 10 practice tests. The correct answer and an explanation follow each question.

  1. How should you manage your time during a multiple-choice exam?

    • A. Spend as long as needed on each question
    • B. Calculate time per question, answer easier ones first, mark difficult ones for review
    • C. Rush through everything
    • D. Only answer questions you know

Answer: B. Calculate time per question, answer easier ones first, mark difficult ones for review

Time management ensures you attempt every question. Answering known questions first builds confidence and may provide insight for harder ones.

  • What is the importance of ethics in professional practice?

    • A. Ethics are optional
    • B. Ethical practice builds trust, protects clients, maintains professional standards, and ensures long-term career viability
    • C. Ethics only apply to certain professions
    • D. Ethics are just about following the law
  • Answer: B. Ethical practice builds trust, protects clients, maintains professional standards, and ensures long-term career viability

    Professional ethics go beyond legal requirements to encompass honesty, integrity, confidentiality, and putting client interests first, which are fundamental to any trusted profession.

  • How should you approach questions you find difficult during an exam?

    • A. Spend unlimited time on them
    • B. Mark them for review, move on to easier questions, and return if time permits
    • C. Skip them entirely
    • D. Guess randomly immediately
  • Answer: B. Mark them for review, move on to easier questions, and return if time permits

    Moving past difficult questions ensures you answer all questions you know, then return to harder ones with remaining time and possibly new insight from other questions.

  • How does understanding the exam format help your performance?

    • A. It does not help
    • B. Knowing the format reduces anxiety, allows better time planning, and helps you practice effectively
    • C. Only the content matters
    • D. Format does not affect difficulty
  • Answer: B. Knowing the format reduces anxiety, allows better time planning, and helps you practice effectively

    Familiarity with question types, time limits, and test structure lets you focus your preparation and reduces test-day surprises.

    Take the full ICD 10 practice test

    ICD 10 Questions and Answers

    Official Resources

    • CMS ICD-10 Codes — the Centers for Medicare & Medicaid Services publishes the official ICD-10-CM and ICD-10-PCS code files, addenda, and annual version-update summaries used to set exam content each fiscal year.
    • CDC/NCHS ICD-10-CM — the National Center for Health Statistics maintains the ICD-10-CM classification and the Official Guidelines for Coding and Reporting that define correct code selection.
    • AAPC Certified Professional Coder (CPC) — the professional body that administers the CPC exam covering ICD-10-CM diagnosis coding, with official exam content outlines and registration details.

    How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

    Sources & references

    Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

    1. cms.gov — Test delivery, exam format, passing score, retake policy, time limit · verified Sep 2026