| Full description | Encounter for observation for suspected exposure to other biological agents 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 | Z03.81 — Encntr for obs for susp exposure to biolg agents ruled out |