| Full description | Effect of air pressure and water pressure, unspecified, subsequent encounter |
| Billable | Yes |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Other and unspecified effects of external causes (T66-T78) |
| Parent code | T70.9 — Effect of air pressure and water pressure, unspecified |