1. T70 Effects of air pressure and water pressure

    The appropriate 7th character is to be added to each code from category T70

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. T70.0 Otitic barotrauma

      Inclusion term(s):

      • Aero-otitis media
      • Effects of change in ambient atmospheric pressure or water pressure on ears
    2. T70.1 Sinus barotrauma

      Inclusion term(s):

      • Aerosinusitis
      • Effects of change in ambient atmospheric pressure on sinuses
    3. T70.2 Other and unspecified effects of high altitude

      1. T70.20 Unspecified effects of high altitude

      2. T70.29 Other effects of high altitude

        Inclusion term(s):

        • Alpine sickness
        • Anoxia due to high altitude
        • Barotrauma NOS
        • Hypobaropathy
        • Mountain sickness
    4. T70.3 Caisson disease [decompression sickness]

      Inclusion term(s):

      • Compressed-air disease
      • Diver's palsy or paralysis
    5. T70.4 Effects of high-pressure fluids

      Inclusion term(s):

      • Hydraulic jet injection (industrial)
      • Pneumatic jet injection (industrial)
      • Traumatic jet injection (industrial)
    6. T70.8 Other effects of air pressure and water pressure

    7. T70.9 Effect of air pressure and water pressure, 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.