Section
T70
Effects of air pressure and water pressure
Hierarchy
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S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
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T66-T78 Other and unspecified effects of external causes (T66-T78)
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T70 Effects of air pressure and water pressure
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T70.0 Otitic barotrauma
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T70.1 Sinus barotrauma
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T70.2 Other and unspecified effects of high altitude
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T70.3 Caisson disease [decompression sickness]
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T70.4 Effects of high-pressure fluids
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T70.8 Other effects of air pressure and water pressure
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T70.9 Effect of air pressure and water pressure, unspecified
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Notes
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Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
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The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.