1. Z22 Carrier of infectious disease

    1. Z22.0 Carrier of typhoid

    2. Z22.1 Carrier of other intestinal infectious diseases

    3. Z22.2 Carrier of diphtheria

    4. Z22.3 Carrier of other specified bacterial diseases

      1. Z22.31 Carrier of bacterial disease due to meningococci

      2. Z22.32 Carrier of bacterial disease due to staphylococci

      3. Z22.33 Carrier of bacterial disease due to streptococci

        • Z22.330 Carrier of Group B streptococcus
        • Z22.338 Carrier of other streptococcus
      4. Z22.34 Carrier of Acinetobacter baumannii

        • Z22.340 Carrier of carbapenem-resistant Acinetobacter baumannii
        • Z22.341 Carrier of carbapenem-sensitive Acinetobacter baumannii
        • Z22.349 Carrier of Acinetobacter baumannii, unspecified
      5. Z22.35 Carrier of Enterobacterales

        Inclusion term(s):

        • Carrier of E. coli
        • Carrier of K. pneumoniae
        • Z22.350 Carrier of carbapenem-resistant Enterobacterales
        • Z22.358 Carrier of other Enterobacterales

          Inclusion term(s):

          • Carrier of carbapenem-sensitive Enterobacterales
          • Carrier of ESBL-producing Enterobacterales
          • Carrier of extended-spectrum beta-lactamase producing Enterobacterales
        • Z22.359 Carrier of Enterobacterales, unspecified
      6. Z22.39 Carrier of other specified bacterial diseases

    5. Z22.4 Carrier of infections with a predominantly sexual mode of transmission

    6. Z22.6 Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection

    7. Z22.7 Latent tuberculosis

      Inclusion term(s):

      • Latent tuberculosis infection (LTBI)
    8. Z22.8 Carrier of other infectious diseases

    9. Z22.9 Carrier of infectious disease, 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.