| Full description | Unspecified adverse effect of drug or medicament, initial encounter |
| Billable | Yes |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Complications of surgical and medical care, not elsewhere classified (T80-T88) |
| Parent code | T88.7 — Unspecified adverse effect of drug or medicament |