ICD-10-CM category
T70 Effects of air pressure and water pressure
T70 is a category, not a billable code. Report one of the 24 complete codes below.
Codes in T70
- T70.0XXAOtitic barotrauma, initial encounter
- T70.0XXDOtitic barotrauma, subsequent encounter
- T70.0XXSOtitic barotrauma, sequela
- T70.1XXASinus barotrauma, initial encounter
- T70.1XXDSinus barotrauma, subsequent encounter
- T70.1XXSSinus barotrauma, sequela
- T70.20XAUnspecified effects of high altitude, initial encounter
- T70.20XDUnspecified effects of high altitude, subsequent encounter
- T70.20XSUnspecified effects of high altitude, sequela
- T70.29XAOther effects of high altitude, initial encounter
- T70.29XDOther effects of high altitude, subsequent encounter
- T70.29XSOther effects of high altitude, sequela
- T70.3XXACaisson disease [decompression sickness], initial encounter
- T70.3XXDCaisson disease [decompression sickness], subsequent encounter
- T70.3XXSCaisson disease [decompression sickness], sequela
- T70.4XXAEffects of high-pressure fluids, initial encounter
- T70.4XXDEffects of high-pressure fluids, subsequent encounter
- T70.4XXSEffects of high-pressure fluids, sequela
- T70.8XXAOther effects of air pressure and water pressure, initial encounter
- T70.8XXDOther effects of air pressure and water pressure, subsequent encounter
- T70.8XXSOther effects of air pressure and water pressure, sequela
- T70.9XXAEffect of air pressure and water pressure, unspecified, initial encounter
- T70.9XXDEffect of air pressure and water pressure, unspecified, subsequent encounter
- T70.9XXSEffect of air pressure and water pressure, unspecified, sequela
Outside the US? T70 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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