| Full description | Exposure to other rapid changes in air pressure during ascent |
| Billable | No — use a more specific child code |
| Chapter | Chapter 20: External causes of morbidity (V00-Y99) |
| Section | Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99) |
| Parent code | W94.2 — Exposure to rapid changes in air pressure during ascent |
| Requires 7th character | Yes |