| Full description | Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined, 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 | T43.3X4 — Poisoning by phenothiaz antipsychot/neurolept, undetermined |