| Full description | Poisoning by pertussis vaccine, including combinations with a pertussis component, 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 | T50.A11 — Poisoning by pertussis vaccine, inc combin w pertuss, acc |