ICD-9 Diagnosis Code 022.9

Anthrax NOS

Diagnosis Code 022.9

ICD-9: 022.9
Short Description: Anthrax NOS
Long Description: Anthrax, unspecified
This is the 2014 version of the ICD-9-CM diagnosis code 022.9

Code Classification
  • Infectious and parasitic diseases
    • Zoonotic bacterial diseases (020-027)
      • 022 Anthrax

Information for Medical Professionals

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • A22.9 - Anthrax, unspecified

Index of Diseases and Injuries
References found for the code 022.9 in the Index of Diseases and Injuries:

Information for Patients


Anthrax is a disease caused by Bacillus anthracis, a germ that lives in soil. Many people know about it from the 2001 bioterror attacks. In the attacks, someone purposely spread anthrax through the U.S. mail. This killed five people and made 22 sick.

Anthrax is rare. It affects animals such as cattle, sheep, and goats more often than people. People can get anthrax from contact with infected animals, wool, meat, or hides. It can cause three forms of disease in people. They are

  • Cutaneous, which affects the skin. People with cuts or open sores can get it if they touch the bacteria.
  • Inhalation, which affects the lungs. You can get this if you breathe in spores of the bacteria.
  • Gastrointestinal, which affects the digestive system. You can get it by eating infected meat.

Antibiotics often cure anthrax if it is diagnosed early. But many people don't know they have anthrax until it is too late to treat. A vaccine to prevent anthrax is available for people in the military and others at high risk.

NIH: National Institute of Allergy and Infectious Diseases

  • Anthrax
  • Anthrax - blood test
  • Anthrax Vaccine: What You Need to Know (Centers for Disease Control and Prevention)

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