ICD-10-CM T70: Effects of air pressure and water pressure

ICD-10-CM Diagnosis Code (2025)

Official Description for T70

Effects of air pressure and water pressure

Coding Notes & Guidelines for T70

Excludes2: Not Included Here

polycythemia due to high altitude (D75.1)

Inclusion Terms
  • Aero-otitis media
  • Effects of change in ambient atmospheric pressure or water pressure on ears
Inclusion Terms
  • Aerosinusitis
  • Effects of change in ambient atmospheric pressure on sinuses
Inclusion Terms
  • Alpine sickness
  • Anoxia due to high altitude
  • Barotrauma NOS
  • Hypobaropathy
  • Mountain sickness
Inclusion Terms
  • Compressed-air disease
  • Diver's palsy or paralysis
Inclusion Terms
  • Hydraulic jet injection (industrial)
  • Pneumatic jet injection (industrial)
  • Traumatic jet injection (industrial)
7th Character Guidance

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

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for T70):

T70.0 - Otitic barotrauma T70.1 - Sinus barotrauma T70.2 - Other and unspecified effects of high altitude T70.20 - Unspecified effects of high altitude T70.29 - Other effects of high altitude T70.3 - Caisson disease [decompression sickness] T70.4 - Effects of high-pressure fluids T70.8 - Other effects of air pressure and water pressure T70.9 - Effect of air pressure and water pressure, unspecified

About ICD-10-CM Code T70 (Effects of air pressure and water pressure)

ICD-10-CM code T70 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T70 became effective on October 1, 2024.

This page provides detailed information about T70 - Effects of air pressure and water pressure. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Effects of air pressure and water pressure.