1. A20 Plague


    • infection due to Yersinia pestis
    1. A20.0 Bubonic plague

    2. A20.1 Cellulocutaneous plague

    3. A20.2 Pneumonic plague

    4. A20.3 Plague meningitis

    5. A20.7 Septicemic plague

    6. A20.8 Other forms of plague

      Inclusion term(s):

      • Abortive plague
      • Asymptomatic plague
      • Pestis minor
    7. A20.9 Plague, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.