Apr 17, 2025  
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2025-2026 College Catalog

HIT 101 - Introduction to ICD Coding

3.5 Contact Hours, 2.5 Credits
2 lecture periods 1.5 lab periods


Introduction to principles and application of the International Classification of Diseases (ICD) coding system. Includes overview of coding, coding ethics, coding conventions, coding guidelines, hospital inpatient diagnosis, and procedure coding, outpatient and physician office diagnosis coding and procedure coding, and overview of HCPCS.

Recommendation: HIT 105  and BIO 160IN . If any recommended course is taken, see a financial aid or Veteran’s Affairs advisor to determine funding eligibility as appropriate.
Button linking to AZ Transfer course equivalency guide    button image Prior Learning and link to PLA webpage

Course Learning Outcomes
  1. Apply principles of classification systems, nomenclatures, and vocabularies.
  2. Explain the organization of the ICD-10-CM/PCS tabular lists, indices, tables, and guidelines.
  3. Assign ICD-10-CM and ICD-10-PCS codes according to current guidelines.
  4. Describe ethical standards of practice in the medical coding career.
Performance Objectives:
  1. Discuss the overview of coding; career opportunities, professional organizations, classification systems, and Health Insurance Portability and Accountability Act (HIPAA).
  2. Explain principles of ethics.
  3. Explain the principles and components of the ICD-10-CM/PCS classification system.
  4. Discuss the use of the ICD-10-CM Official Guidelines for Coding and Reporting
  5. Explain ICD-10-CM coding conventions
  6. Apply the steps to coding.
  7. Explain the ICD-10-PCS coding conventions.
  8. Apply codes to ICD-10-CM/PCS hospital inpatient coding and reporting.
  9. Apply codes ICD-10-CM/PCS outpatient and physician office coding and reporting.
  10. Describe the principles of HCPCS; assign procedure and service codes and claims.
Outline:
  1. Overview of Coding
    1. Career opportunities
    2. Professional associations and networking
    3. Classification systems, nomenclatures, and vocabularies
    4. Health Information Portability and Accountability Act (HIPAA)
  2. Code of Ethics
    1. Ethical Principles
    2. American Health Information Management Association (AHIMA) Code of Ethics
  3. Principles and Components of ICD-10-CM/PCS Classification Systems
    1. Uniform Hospital Discharge Data Set (UHDDS)
    2. Overview of ICD-10-CM/PCS
    3. ICD-10-CM/PCS tabular list of diseases and injuries
  4. ICD-10-CM Official Guidelines for Coding and Reporting
    1. Organization of the official guidelines for coding and reporting
    2. General ICD-10-CM diagnosis coding guidelines
    3. Chapter-Specific ICD-10-CM diagnosis coding guidelines
    4. Application of General ICD-10-CM coding guidelines to code assignments
    5. Application of chapter-specific ICD-10-CM coding guidelines to code assignments
  5. ICD-10-CM Coding Conventions
    1. Format
    2. Eponyms, abbreviations, and punctuation
    3. Tables and boxed notes
    4. Other, other specified and unspecified codes
    5. Instructional notes
  6. ICD-10-CM Code Book Navigation
    1. Steps to proper coding
    2. ICD-10-CM index to disease and injuries
    3. ICD-10-CM index and tables
  7. ICD-10-CM-PCS Coding Conventions
    1. Overview of ICD-10-PCS
    2. ICD-10-PCS Official Guidelines
    3. Root operation groups
    4. ICD-10-PCS Sections
    5. ICD-10-PCS Index
    6. ICD-10-PCS Tables
  8. ICD-10-CM/PCS Hospital Inpatient Coding and Reporting 
    1. Acute care inpatient settings
    2. Inpatient diagnosis and procedure coding and reporting guidelines
    3. Assigning ICD-10-CM/PCS diagnosis and/or procedure codes for acute care inpatient cases
  9. ICD-10-CM/PCS Outpatient and Physician Office Coding and Reporting
    1. Outpatient and physician office care
    2. Diagnostic coding and reporting guidelines for hospital-based and physician office outpatient services
    3. Coding guidelines for outpatient diagnostic tests
    4. Assigning ICD-10-CM diagnosis codes for outpatient and physician office care