These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.

  1. B97 Viral agents as the cause of diseases classified elsewhere

    1. B97.0 Adenovirus as the cause of diseases classified elsewhere

    2. B97.1 Enterovirus as the cause of diseases classified elsewhere

      1. B97.10 Unspecified enterovirus as the cause of diseases classified elsewhere

      2. B97.11 Coxsackievirus as the cause of diseases classified elsewhere

      3. B97.12 Echovirus as the cause of diseases classified elsewhere

      4. B97.19 Other enterovirus as the cause of diseases classified elsewhere

    3. B97.2 Coronavirus as the cause of diseases classified elsewhere

      1. B97.21 SARS-associated coronavirus as the cause of diseases classified elsewhere

      2. B97.29 Other coronavirus as the cause of diseases classified elsewhere

    4. B97.3 Retrovirus as the cause of diseases classified elsewhere

      1. B97.30 Unspecified retrovirus as the cause of diseases classified elsewhere

      2. B97.31 Lentivirus as the cause of diseases classified elsewhere

      3. B97.32 Oncovirus as the cause of diseases classified elsewhere

      4. B97.33 Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere

      5. B97.34 Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere

      6. B97.35 Human immunodeficiency virus, type 2 [HIV 2] as the cause of diseases classified elsewhere

      7. B97.39 Other retrovirus as the cause of diseases classified elsewhere

    5. B97.4 Respiratory syncytial virus as the cause of diseases classified elsewhere

    6. B97.5 Reovirus as the cause of diseases classified elsewhere

    7. B97.6 Parvovirus as the cause of diseases classified elsewhere

    8. B97.7 Papillomavirus as the cause of diseases classified elsewhere

    9. B97.8 Other viral agents as the cause of diseases classified elsewhere

      1. B97.81 Human metapneumovirus as the cause of diseases classified elsewhere

      2. B97.89 Other viral agents as the cause of diseases classified elsewhere

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.