Corns and callosities (L84) ICD-10-CM
The L84 code range covers corns and callosities with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Callus
- Clavus
Codes in the L84 Range 1 codes · 1 billable
- L84 Corns and callosities
About the L84 Code Range
ICD-10 code L84 is used to classify corns and callosities, which are thickened areas of skin often caused by repeated pressure or friction. These skin conditions commonly develop on the feet and hands and can vary in type and location.
This code covers a range of related terms, including corns like subungual corn and interdigital corn, and various calluses such as callus of forefoot, plantar callosity, and palmar callosity. It also includes specialized forms like neurovascular corn and occupational or habit-related callosities, such as those caused by biting or prostheses. Recognizing these synonyms helps medical coders accurately apply the ICD-10 code L84 when documenting thickened skin lesions that differ based on location, cause, or presentation. This ensures precise coding for treatment and billing related to these common yet distinct skin conditions.
Questions About This Page
How many billable codes are in the L84 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the L84 range classify?
The range classifies corns and callosities. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
