U.S. ICD-10-CM · FY 2027

L84 ICD-10-CM Code: Corns and callosities

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

L84

Corns and callosities

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where L84 sits

  1. 1

    Chapter 12

    Diseases of the skin and subcutaneous tissue (L00-L99)

  2. 2

    Section

    Other disorders of the skin and subcutaneous tissue (L80-L99)

  3. 3

    Category L84

    Corns and callosities

  4. 4

    Code L84

    Corns and callosities

Documentation details

Notes for this code

Inclusion terms

  • Callus
  • Clavus

Code first

No “code first” instruction is listed for L84.

Use additional code

No “use additional code” instruction is listed for L84.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for L84.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for L84.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code L84 mean?

L84 is the FY 2027 U.S. ICD-10-CM code for “Corns and callosities.”

Is L84 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, L84 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is L84 located in ICD-10-CM?

L84 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Other disorders of the skin and subcutaneous tissue (L80-L99) (L80–L99), under category L84, Corns and callosities.

What coding notes are listed for L84?

Its listed inclusion terms are Callus; Clavus. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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