• malignant neoplasm of middle ear


  • mesothelioma (C45.-)
  1. C39 Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

    Use additional code to identify:
    exposure to environmental tobacco smoke (Z77.22)
    exposure to tobacco smoke in the perinatal period (P96.81)
    history of tobacco dependence (Z87.891)
    occupational exposure to environmental tobacco smoke (Z57.31)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)


    • intrathoracic malignant neoplasm NOS (C76.1)
    • thoracic malignant neoplasm NOS (C76.1)
    1. C39.0 Malignant neoplasm of upper respiratory tract, part unspecified

    2. C39.9 Malignant neoplasm of lower respiratory tract, part unspecified

      Inclusion term(s):

      • Malignant neoplasm of respiratory tract NOS
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.