ICD-10 Diagnosis Code W94.21XA

Expsr to rdct in atmos pressr wh surfc fr dp-watr div, init

Diagnosis Code W94.21XA

ICD-10: W94.21XA
Short Description: Expsr to rdct in atmos pressr wh surfc fr dp-watr div, init
Long Description: Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, initial encounter
This is the 2018 version of the ICD-10-CM diagnosis code W94.21XA

Valid for Submission
The code W94.21XA is valid for submission for HIPAA-covered transactions.

Code Classification
  • External causes of morbidity and mortality (V01–Y98)
    • Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
      • Expsr to high and low air pressr and changes in air pressure (W94)

Information for Patients


Barotrauma means injury to your body because of changes in barometric (air) or water pressure. One common type happens to your ear. A change in altitude may cause your ears to hurt. This can happen if you are flying in an airplane, driving in the mountains, or scuba diving. Divers can also get decompression sickness, which affects the whole body.

Common symptoms of ear barotrauma include

  • Pain
  • A feeling that your ears are stuffed
  • Hearing loss
  • Dizziness

Treatments for ear barotrauma include chewing gum and yawning to relieve the pressure. Medications such as decongestants may also help.

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