ICD-10 Diagnosis Code T24.409A

Corros unsp deg of unsp site unsp low limb, ex ank/ft, init

Diagnosis Code T24.409A

ICD-10: T24.409A
Short Description: Corros unsp deg of unsp site unsp low limb, ex ank/ft, init
Long Description: Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot, initial encounter
This is the 2017 version of the ICD-10-CM diagnosis code T24.409A

Valid for Submission
The code T24.409A is valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Burns and corrosions (T20-T32)
      • Burn and corrosion of lower limb, except ankle and foot (T24)

Information for Patients


A burn is damage to your body's tissues caused by heat, chemicals, electricity, sunlight, or radiation. Scalds from hot liquids and steam, building fires and flammable liquids and gases are the most common causes of burns. Another kind is an inhalation injury, caused by breathing smoke.

There are three types of burns:

  • First-degree burns damage only the outer layer of skin
  • Second-degree burns damage the outer layer and the layer underneath
  • Third-degree burns damage or destroy the deepest layer of skin and tissues underneath

Burns can cause swelling, blistering, scarring and, in serious cases, shock and even death. They also can lead to infections because they damage your skin's protective barrier. Treatment for burns depends on the cause of the burn, how deep it is, and how much of the body it covers. Antibiotic creams can prevent or treat infections. For more serious burns, treatment may be needed to clean the wound, replace the skin, and make sure the patient has enough fluids and nutrition.

NIH: National Institute of General Medical Sciences

  • Burns
  • Chemical burn or reaction
  • Minor burns - aftercare
  • Skin graft

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