1. X37 Cataclysmic storm

    1. X37.0 Hurricane

      Inclusion term(s):

      • Storm surge
      • Typhoon
    2. X37.1 Tornado

      Inclusion term(s):

      • Cyclone
      • Twister
    3. X37.2 Blizzard (snow)(ice)

    4. X37.3 Dust storm

    5. X37.4 Tidalwave

      1. X37.41 Tidal wave due to earthquake or volcanic eruption

        Inclusion term(s):

        • Tidal wave NOS
        • Tsunami
      2. X37.42 Tidal wave due to storm

      3. X37.43 Tidal wave due to landslide

    6. X37.8 Other cataclysmic storms

      Inclusion term(s):

      • Cloudburst
      • Torrential rain
    7. X37.9 Unspecified cataclysmic storm

      Inclusion term(s):

      • Storm 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.