AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes
Hypereosinophilic Syndromes and Other Eosinophil Diseases
Code D72.1, Eosinophilia, was expanded and the following codes were created for hypereosinophilic syndromes and other eosinophil diseases.D72.10 Eosinophilia, unspecified D72.110 Idiopathic hypereosinophilic syndrome [IHES] D72.111 Lymphocytic variant hypereosinophilic syndrome [LHES] D72.118 Other hypereosinophilic syndrome D72.119 Hypereosinophilic syndrome [HES], unspecified D72.12 Drug rash with eosinophilia and systemic symptoms syndrome D72.18 Eosinophilia in diseases classified elsewhere D72.19 Other eosinophilia Hypereosinophilic syndromes (HES) are a clinically and pathogenically distinct group of disorders characterized by a sustained elevated blood eosinophil count and eosinophil-mediated end-organ damage. The associated eosinophil-induced organ damage or tissue...
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Article Overview
This premium article discusses hypereosinophilic syndromes and other eosinophil-related diseases in the context of ICD-10-CM coding. It explains the scope of the newly created diagnosis codes, summarizes the general clinical features of these conditions, and includes a coding example involving eosinophilic esophagitis. The content is useful for coding professionals, CDI staff, and clinicians who want to understand how these diagnoses are organized in the code set and what broad clinical themes are associated with them.
Why This Topic Matters
Accurate diagnosis coding for eosinophil-related disorders affects documentation, clinical specificity, and reporting consistency. The article helps readers understand where these conditions fit within ICD-10-CM and highlights a related coding scenario that may appear in practice.
Article Sections
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ICD-10-CM code expansion for eosinophilic disorders
Introduces the diagnosis code update related to eosinophilia and the creation of additional codes for hypereosinophilic and other eosinophil diseases.
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Overview of hypereosinophilic syndromes
Describes the general clinical characteristics of hypereosinophilic syndromes and the types of organ systems that may be affected.
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Lymphocytic variant hypereosinophilic syndrome
Summarizes the general clinical profile of the lymphocytic variant and notes its broad treatment context and possible disease associations.
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Drug rash with eosinophilia and systemic symptoms syndrome
Covers the broad clinical presentation of DRESS syndrome, common associated findings, and general trigger patterns discussed in the article.
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Idiopathic hypereosinophilic syndrome
Provides a general overview of idiopathic hypereosinophilic syndrome, including the types of systems it may affect and the need to exclude other causes.
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Eosinophilic esophagitis coding example
Presents a coding-oriented scenario involving esophageal eosinophilic disease and explains the topic area addressed by the example.
What You Will Learn
- How eosinophil-related diagnoses are organized in ICD-10-CM
- What broad clinical features are associated with hypereosinophilic syndromes
- How the article frames related entities such as LHES, DRESS, and IHES
- What coding issue is illustrated by the eosinophilic esophagitis example
- Which general types of documentation may support greater diagnosis specificity
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation integrity specialists
- Healthcare providers
- Revenue cycle staff
Codes Discussed
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