L84 - Corns and calluses - thickened, hardened areas of skin typically on feet or hands

International Classification of Diseases

Last updated: 10/3/2025

What is a ICD-10 Code?

ICD-10 (International Classification of Diseases, 10th Revision) codes are used to classify and code all diagnoses, symptoms, and procedures recorded in association with hospital care. These codes provide a standardized way to track health conditions and their treatment outcomes.

Detailed Description

This code refers to corns and calluses, which are areas of thick, hardened skin that develop as a protective response to repeated pressure or friction. Corns are typically smaller, cone-shaped, and often found on toes, while calluses are larger, flatter areas usually found on the soles of feet or palms of hands. These conditions are very common and generally not serious, though they can cause discomfort or pain. They often develop from ill-fitting shoes, walking patterns, or repetitive hand activities. Treatment may include removing the thickened skin, padding, proper footwear, or addressing underlying causes of pressure or friction.

Additional Information

This is a routine skin condition that typically responds well to conservative treatment. Most cases can be managed with proper foot care and appropriate footwear. Diabetic patients may require special attention due to increased risk of complications.

Category

Dermatological/Skin Conditions

Medical Specialty

Dermatology, Podiatry, Family Medicine

Expected Costs

We expect this to normally be in the range of:

$100 - $300

This is an estimate based on typical billing patterns. Your actual cost may vary depending on your insurance coverage, provider location, and specific circumstances.

What's Required Before This

  • Physical examination
  • Assessment of footwear and activities

What to Expect After

  • Proper footwear recommendations
  • Padding or protective devices
  • Possible follow-up if condition persists
  • Foot care education

Why Understanding This Code Matters

On Your Medical Bill

This code appears on your medical bills to identify the specific service, procedure, drug, or medical diagnosis you received. Understanding what it means helps you verify you're being charged correctly and know what to expect.

For Your Health

Knowing what this code represents helps you understand your treatment plan, ask better questions during appointments, and track your healthcare journey more effectively.

Want This Level of Detail on All Your Claims?

Get detailed explanations for every medical code on your Medicare bills. Currently supporting Medicare only.