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Inpatient coding professionals review and assign ICD-10-CM and ICD-10-PCS codes to inpatient hospital records. Outpatient/physician coding professionals review and assign ICD-10-CM and CPT®/HCPCS codes to outpatient hospital and physician office records.

The assignment of codes is based on provider and clinician documentation. It is vital the codes assigned by the coding professional are accurate and reflect the condition(s) of the patient and the procedures performed during the hospital stay or encounter. This data is used for many purposes including reimbursement and quality and population health reporting.

Coding Denials: Understanding Common Culprits and Winning Strategies to Avoid Them

June 15, 2023 | 12 p.m. CT

Coding Denials: Understanding Common Culprits and Winning Strategies to Avoid Them

Discover how to tackle common coding and documentation issues that lead to denials, prevent future occurrences, and reverse denials.

Training and Resources

Whether you are new to the coding profession or an experienced coding professional who wants to demonstrate your coding proficiency, AHIMA provides education and training, certification (CCA®, CCS®,and CCS-P® credentials), and other valuable resources to support your lifelong learning and continued advancement.

2 COURSES / 10 CEUS for each course

Current Procedural Terminology Coding for Beginners, Parts 1 and 2

For medical coders in the early stages of their career, our two-part online course offers an introduction on how to use the Current Procedural Terminology (CPT®) system, understand the sequence of codes and their impact on reimbursement.


Register for part 1


Register for part 2

13 Courses | 10 CEUs Each

Medical Coding and Reimbursement Courses

Get the knowledge you need to build a successful health information career with our foundational courses—all online and self-paced. When you complete all 13 courses, you will earn the AHIMA Medical Coding and Reimbursement Micro-credential. If you choose to continue your journey, you can apply academic transfer credits towards certificate or undergraduate degree programs with participating academic institutions.

21 Courses | 24 CEUs Total

ICD-10-CM Course Collection

This series of courses from the Haugen Consulting Group focus on specific ICD-10-CM topics. 

21 Courses | 32 CEUs Total

ICD-10-PCS Course Collection

Practice inpatient coding in real-world professional scenarios and step through more than six different settings to complete over 100 online coding exercises using either codebooks or the 3M Encoder. 

2022 Edition

Clinical Coding Workout

Clinical Coding Workout challenges coding students and professionals to develop the expert skills required for coding accuracy. 

Hardcover | 2021 Edition

Procedural Coding and Reimbursement for Physician Services

This outpatient coding book introduces the basic principles and conventions of CPT® and HCPCS coding while delivering the experience-based knowledge needed to code confidently and efficiently.

3 Webinars | 1 CEU Each

FY 2023 Code Updates

The FY 2023 Code Updates on-demand webinar bundle highlights new codes, revisions and deletions to the ICD-10-CM and ICD-10-PCS classifications and the corresponding Official Guidelines for Coding and Reporting. This bundle also includes updates to the CPT code set and highlights of coding guideline changes.

Up to 4 CEUs

Long-Term/Post-Acute Care: Coding & Reimbursement Fundamentals

This on-demand series covers the coding fundamentals for FY 2022 ICD-10-CM and detailed coding nuances related to different settings.


FY 2022 ICD-10-CM Code Update

This webinar includes the code changes to cover new codes, revisions, and deletions, as well as any updates to the Official ICD-10-CM Coding Guidelines. To train larger groups, email for bundle pricing.


FY 2022 ICD-10-PCS Code Update

This webinar includes the code changes to cover new codes, revisions, and deletions, as well as any updates to the Official ICD-10-PCS Coding Guidelines. To train larger groups, email for bundle pricing.

1 CEU | Free Webinar

Solutions for Revenue Capture

This webinar will present a holistic strategy for revenue cycle management in the age of value-based care through the use of data analytics and benchmarking for optimal revenue capture.

Free on-demand webinar series

The Evolution of ICD-11

Explore the future of medical coding and build your knowledge of ICD-11 during this free, on-demand webinar series.

Practice Briefs (Members-only)

Learn best practices for topics such as denials prevention and management. 

Toolkits (Members-only)

Toolkits cover topics such as inpatient queries, disaster planning, and coding roundtables. 

ICD-10-PCS Flash Cards, Second Edition

These full-color inpatient coding flash cards include 55 cards that define the 31 Medical and Surgical Root Operations, the 7 Approaches, and 17-character values of each of the Sections of ICD-10-PCS. 

May 9, 2023

Frequently Asked Questions (FAQs) Regarding ICD-10-CM/PCS Coding for COVID-19 (revised May 9, 2023)

These FAQs were jointly developed and approved by the American Hospital Association’s Central Office on ICD-10-CM/PCS coding for COVID-19 and AHIMA. Two new questions regarding screening for COVID-19 have been added. Questions should be directed to Sue Bowman, MJ, RHIA, CCS, FAHIMA, Senior Director, Coding Policy and Compliance, at

January 27, 2021

COVID-19 ICD-10-CM Coding Timeline for Outpatient Services

When COVID-19 emerged in early 2020, new ICD-10-CM codes to identify this condition were not available. Subsequent ICD-10-CM codes and guidelines for reporting COVID-19 changed many times as the pandemic evolved throughout 2020.

January 11, 2021

Highlights of the 2021 CPT Code Updates

There are a total of 329 CPT code changes for 2021, including 206 code additions, 54 code deletions, and 69 code revisions.


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