| Full description | Poisoning by other agents primarily acting on the respiratory system, accidental (unintentional), initial encounter |
| Billable | Yes |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) |
| Parent code | T48.991 — Poisn by oth agents primarily acting on the resp sys, acc |