1. A49 Bacterial infection of unspecified site

    Excludes1

    • bacterial agents as the cause of diseases classified elsewhere (B95-B96)
    • chlamydial infection NOS (A74.9)
    • meningococcal infection NOS (A39.9)
    • rickettsial infection NOS (A79.9)
    • spirochetal infection NOS (A69.9)
    1. A49.0 Staphylococcal infection, unspecified site

      1. A49.01 Methicillin susceptible Staphylococcus aureus infection, unspecified site

        Inclusion term(s):

        • Methicillin susceptible Staphylococcus aureus (MSSA) infection
        • Staphylococcus aureus infection NOS
      2. A49.02 Methicillin resistant Staphylococcus aureus infection, unspecified site

        Inclusion term(s):

        • Methicillin resistant Staphylococcus aureus (MRSA) infection
    2. A49.1 Streptococcal infection, unspecified site

    3. A49.2 Hemophilus influenzae infection, unspecified site

    4. A49.3 Mycoplasma infection, unspecified site

    5. A49.8 Other bacterial infections of unspecified site

    6. A49.9 Bacterial infection, 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.