1. J37 Chronic laryngitis and laryngotracheitis

    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)
    infectious agent (B95-B97)
    occupational exposure to environmental tobacco smoke (Z57.31)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)

    1. J37.0 Chronic laryngitis

      Inclusion term(s):

      • Catarrhal laryngitis
      • Hypertrophic laryngitis
      • Sicca laryngitis
    2. J37.1 Chronic laryngotracheitis

      Inclusion term(s):

      • Laryngitis, chronic, with tracheitis (chronic)
      • Tracheitis, chronic, with laryngitis
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.