ICD-10 L84
Billable / SpecificCorns and callosities
About ICD-10-CM L84
ICD-10-CM code L84 represents Corns and callosities. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L84). The 2026 edition of ICD-10-CM L84 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under L84. Per CMS ICD-10-CM Tabular 2026.
- Callus
- Clavus
Medicare LCD Coverage for L84
Local Coverage Determinations (LCDs) from CMS MACs that list L84 as a covered diagnosis.
Showing top 10 of 43 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L84.
3 Medicare
CPT Codes Commonly Billed with L84
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert L84 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| L84 | 700 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L84
Other codes in section L80-L99 (Other disorders of the skin and subcutaneous tissue).
ICD-10 L84, Billing FAQ
Is ICD-10 code L84 billable? +
Yes, L84 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to L84? +
ICD-10 L84 includes: Callus; Clavus.
What CPT codes are commonly billed with L84? +
Procedures frequently paired with L84 include: 11721, 11720.
What ICD-9 codes does L84 map to? +
Per CMS GEMs, L84 maps to ICD-9 codes: 700. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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