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2025 ICD-10-CM code A22.0

Cutaneous anthrax. This is an infection of the skin caused by the bacterium Bacillus anthracis.

Medical necessity for treatment of cutaneous anthrax is established by the diagnosis confirmed through clinical findings and laboratory testing.The severity of the infection and the potential for systemic complications justify the use of antibiotics and antitoxins.

The provider diagnoses cutaneous anthrax based on the patient’s history and physical examination, and by laboratory tests (blood, spinal fluid, respiratory secretions, or skin specimen). Treatment includes antibiotics and antitoxins. The provider may also vaccinate at-risk individuals.

In simple words: Cutaneous anthrax is a skin infection caused by Bacillus anthracis bacteria.It enters the body through cuts or sores, causing raised bumps and painless ulcers, often with swelling. It's diagnosed by examining the skin and lab tests. Treatment includes antibiotics and medications to counteract the bacteria's toxins. A vaccine is available for those at high risk.

Cutaneous anthrax is an infection that affects the skin, caused by the bacterium Bacillus anthracis.It typically spreads through spores that enter cuts or open sores on the skin, or less commonly, through inhalation or ingestion. Symptoms include blisters or lesions progressing to painless skin ulcers with swelling, often on the face, neck, arms, and hands.Diagnosis is based on patient history, physical examination, and laboratory tests of blood, spinal fluid, respiratory secretions, or skin specimens. Treatment involves antibiotics and antitoxins.Vaccination with Anthrax Vaccine Adsorbed (AVA) is available for at-risk individuals.

Example 1: A farmer develops a painless ulcer with a black center after handling livestock., A veterinarian presents with a skin lesion after performing a necropsy on a cow., A lab worker develops a characteristic skin lesion after accidental exposure to Bacillus anthracis spores.

Documentation should include patient history (including potential exposure to animals or animal products), physical examination findings describing the lesion(s), and laboratory results confirming the presence of Bacillus anthracis.

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