| Full description | Encounter for observation for suspected toxic effect from ingested substance ruled out |
| Billable | Yes |
| Chapter | Chapter 21: Factors influencing health status and contact with health services (Z00-Z99) |
| Section | Persons encountering health services for examinations (Z00-Z13) |
| Parent code | Z03 — Encntr for medical obs for susp diseases and cond ruled out |