AHA Coding Clinic® for ICD-9 - 1994 Fourth Quarter
Inflamed Seborrheic Keratosis/Keratoacanthoma
Expansion of the seborrheic keratosis code and the re-indexing of keratoacanthoma have occurred. Seborrheic keratoses are benign overgrowths of the outer layer of the skin. Ordinarily they require no treatment, however, they are sometimes removed for medical reasons such as bleeding, irritation, inflammation, or sudden, unexplained growth of the lesion. 702.1 Seborrheic keratosis New code 702.11 Inflamed seborrheic keratosis New code 702.19 Other seborrheic keratosis Seborrheic keratosis NOS A keratoacanthoma is a round, firm, usually flesh-colored lesion with a characteristic central crater containing keratinous material. It may be difficult clinically and histologically to distinguish from a...
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Article Overview
This article covers a terminology and indexing update related to common benign skin lesions and their classification in medical coding references. It is aimed at coding professionals and others who need to understand how the affected skin conditions are organized in the code set and how the update changed the reference structure. The discussion is brief and focuses on the affected skin diagnosis categories and the related code-index changes.
Why This Topic Matters
Updates to diagnosis indexing and category expansion can affect documentation lookup, claim review, and consistent code assignment for skin-related conditions.
What You Will Learn
- Which skin condition categories are affected by the update
- How the article frames the indexing change for keratoacanthoma
- What broader coding reference areas are involved in the update
- How the article distinguishes the scope of the seborrheic keratosis category change
Who Should Read This
- Medical coders
- Coding auditors
- Revenue cycle staff
- Clinical documentation specialists
- Dermatology practices
Codes Discussed
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