AHA Coding Clinic® for ICD-9 - 2008 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES
Neuroendocrine Tumors
Effective October 1, 2008, a new category has been added to the Neoplasms chapter to identify neuroendocrine tumors. Neuroendocrine tumors arise from endocrine or neuroendocrine cells scattered throughout the body. The most common sites are the bronchi, stomach, small intestine, appendix and rectum. These tumors are commonly classified according to the presumed embryonic site of origin, such as: the foregut (bronchi and stomach), the midgut (small intestine and appendix), and the hindgut (colon and rectum). A carcinoid tumor is a tumor that develops from enterochromaffin cells. These cells produce hormones that normally are found in the small intestine, appendix...
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Article Overview
This article explains the ICD-9-CM update for neuroendocrine tumors and reviews how these tumors are categorized by site, behavior, and associated syndromes. It is intended for coding professionals and clinical staff who need to understand the structure of the revised Neoplasms chapter, the related syndrome references, and the guidance on assigning related diagnoses.
Why This Topic Matters
Neuroendocrine tumors can involve multiple sites and associated syndromes, so accurate classification affects diagnosis reporting and code selection. The article helps readers understand the updated ICD-9-CM framework and the surrounding documentation considerations.
Article Sections
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Overview of neuroendocrine tumors
Introduces the topic, the effective date of the update, and the general biological context for these tumors. It also summarizes common anatomic sites and broad classification concepts.
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Carcinoid tumors and associated syndromes
Discusses carcinoid tumors in general and their relationship to associated endocrine manifestations. It provides context for how these tumors are discussed within the coding update.
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ICD-9-CM coding guidance and category structure
Presents the revised ICD-9-CM category structure for neuroendocrine tumors, including related syndrome references and exclusions. It outlines the organization of the new subcategories and code groups.
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Coding example
Includes a brief office-visit scenario involving a neuroendocrine tumor and associated syndromes. The example illustrates how the article applies the classification update in a practical case.
What You Will Learn
- How the article frames the ICD-9-CM update for neuroendocrine tumors
- What general site-based categories are discussed for carcinoid and neuroendocrine tumors
- How associated syndromes are addressed in the coding guidance
- What kinds of examples are used to illustrate the updated classification structure
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation staff
- Physician office billing personnel
- Compliance staff
Codes Discussed
Code Ranges Discussed
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