AMA CPT® Assistant - 2014 Issue 5 (May)
ICD-10-CM Code Format (May 2014)
May 2014 pages 7-8 ICD-10-CM Code Format The April 2014 issue of the CPT Assistant provided a comparison between the ICD-9- CM diagnosis codes and the ICD-10-CM code set. This article provides a closer look at the format of the ICD-10-CM as we continue to educate our readers about this new diagnosis code set, which will have to be reported in conjunction with the Current Procedural Terminology (CPT) coded services and procedures when ICD-10-CM is implemented.* ICD-10-CM is organized in a manner similar to ICD-9-CM and is divided into two main parts: Alphabetic Index: A list of conditions...
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Article Overview
This article explains the overall layout and format of ICD-10-CM as presented in a May 2014 CPT Assistant discussion. It is aimed at readers learning the diagnosis code set and those preparing for its use alongside CPT-coded services. The coverage focuses on the major components of ICD-10-CM, how codes are organized in the reference works, and general formatting features that help users understand the system.
Why This Topic Matters
Understanding ICD-10-CM structure is essential for coders, billers, and other healthcare administrative staff who need to navigate the diagnosis code set accurately and recognize how it is organized for reporting and reference purposes.
Article Sections
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May 2014 pages 7-8
Introductory overview of the article’s topic and its place in the broader education on ICD-10-CM. It frames the discussion around the diagnosis code set and its relationship to CPT-coded services.
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Alphabetic Index
Describes the main reference structure for looking up diagnoses and conditions in ICD-10-CM. It covers the overall organization of the index and its major subsections.
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Section 1: Index to Diseases and Injuries
Explains the disease-and-injury portion of the index and how it is arranged around terms used to identify conditions.
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Section 2: Table of Neoplasms
Introduces the neoplasm table and its role in organizing neoplasm-related entries by site and classification.
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Section 3: Table of Drugs and Chemicals
Summarizes the drugs-and-chemicals table and the general categories of substance-related coding content it includes.
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Section 4: External Cause of Injuries Index
Covers the index section for external causes of injury and morbidity, including its general organization by type of event.
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Coding Tip
Provides general guidance about using the reference sources for diagnosis coding and notes the presence of instructional information in the tabular portion.
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Tabular List
Describes the tabular structure of ICD-10-CM, including categories, subcategories, and formatting features used throughout the code set.
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Coding Tip
Offers a general reminder about selecting diagnosis codes from the tabular source and using the more detailed reference information available there.
What You Will Learn
- How ICD-10-CM is organized at a high level
- The role of the Alphabetic Index and Tabular List
- The major sections within the Alphabetic Index
- General format features of ICD-10-CM codes
- Why the tabular reference is important in code lookup
Who Should Read This
- Medical coders
- Medical billers
- Coding students
- Revenue cycle staff
- Healthcare compliance staff
Codes Discussed
Code Ranges Discussed
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