AHA Coding Clinic® for ICD-9 - 2004 Issue 4; VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES
Hyperhidrosis
Effective October 1, 2004, unique codes have been created to report hyperhidrosis. Hyperhidrosis refers to a group of clinical disorders involving excessive sweating. Sweating is a natural phenomenon necessary to control body temperature during times of exercise and exposure to warm or hot surroundings. Sweating is regulated by the symphathetic nervous system. In approximately 1% of the population, this system may work at a very high activity level, much more than needed to keep a constant temperature. Hyperhidrosis may be classified according to the cause: primary or idiopathic (705.21) or secondary (705.22). Primary hyperhidrosis does not have...
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Article Overview
This article covers hyperhidrosis as a disorder of sweat glands, including how it is categorized into primary and secondary forms and how the ICD-9-CM classification was updated effective October 1, 2004. It is useful for coders, compliance staff, and clinical documentation teams who need to understand the scope of the topic, the affected code family, and the organization guidance discussed in the article.
Why This Topic Matters
Hyperhidrosis can be documented in different clinical contexts, and the article ties those contexts to specific ICD-9-CM classification changes. Understanding the article helps readers recognize when documentation belongs in the sweat gland disorder category and how the updated terminology is organized.
Article Sections
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Overview of hyperhidrosis
Introduces hyperhidrosis as a clinical condition involving excessive sweating and provides general background on sweating and regulation.
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Primary and secondary hyperhidrosis
Describes the broad classification of hyperhidrosis by cause and outlines the general clinical context associated with each category.
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ICD-9-CM code updates for disorders of sweat glands
Summarizes the updated sweat gland disorder classification structure and related indexing notes discussed in the article.
What You Will Learn
- How hyperhidrosis is broadly classified by cause
- Which ICD-9-CM sweat gland disorder category the topic falls under
- What types of documentation context are associated with the updated classification
- How the article organizes the condition within the sweat gland disorders chapter
Who Should Read This
- Medical coders
- Coding auditors
- Compliance staff
- Clinical documentation specialists
- Healthcare billing professionals
Codes Discussed
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